1062
10
20655
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http://socictopen.socict.org/files/original/9328b59b39bb876613ddfd47bed58d79.pdf
57d8045aebdfa99e55fee974f2ffbb9d
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Effects of Heterogeneity within Tree Crowns on Airborne-Quantified SIF and the CWSI as Indicators of Water Stress in the Context of Precision Agriculture
Creator
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Carlos Camino, Pablo J. Zarco-Tejada, Victoria Gonzalez-Dugo
Description
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This research focused on understanding the effects of structural heterogeneity within tree crowns on the airborne retrieval of solar-induced chlorophyll fluorescence (SIF) and the Crop Water Stress Index (CWSI). We explored the SIF and CWSI variability observed within crowns of trees subjected to different water stress regimes and its effect on the relationships with leaf physiological measurements. High-resolution (20 cm) hyperspectral imagery was acquired to assess fluorescence retrieval from sunlit portions of the tree crowns using the Fraunhofer line depth method, and from entire crowns using automatic object-based tree crown detection methods. We also measured the canopy temperature distribution within tree crowns using segmentation algorithms based on temperature percentiles applied to high-resolution (25 cm) thermal imagery. The study was conducted in an almond orchard cultivated under three watering regimes in Cordoba, in southern Spain. Three airborne campaigns took place during the summer of 2015 using high-resolution hyperspectral and thermal cameras on board a manned aircraft. Relationships between SIF and the assimilation rate improved significantly when the sunlit tree crown pixels extracted through segmentation were used for all flight dates. By contrast, the SIF signal extracted from the entire tree crowns was highly degraded due to the canopy heterogeneity observed within tree crowns. The quartile crown segmentations applied to the thermal images showed that the CWSI values obtained were within the theoretically expected CWSI range only when the pixels were extracted from the 50th percentile class. However, the CWSI values were biased in the upper quartile (Q75) for all watering regimes due to the soil background effects on the calculated mean crown temperature. The relationship between the CWSI and Gs was heavily affected by the crown segmentation levels applied and improved remarkably when the CWSI values were calculated from the middle quartile crown segmentation (Q50), corresponding to the coldest and purest vegetation pixels (r2 = 0.78 in pure vegetation pixels vs. r2 = 0.52 with the warmer pixels included in the upper quartile). This study highlights the importance of using high-resolution hyperspectral and thermal imagery for pure-object segmentation extractions from tree crowns in the context of precision agriculture and water stress detection.
Date
A point or period of time associated with an event in the lifecycle of the resource
2018
Subject
The topic of the resource
CWSI, Photosynthetic activity, SIF, chlorophyll fluorescence, hyperspectral, stomatal conductance, thermal imagery, tree crown segmentation
Identifier
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10.3390/rs10040604
Source
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Remote Sensing
Publisher
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MDPI AG
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Science
Relation
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<a href="http://www.mdpi.com/2072-4292/10/4/604" target="_blank" rel="noreferrer noopener">http://www.mdpi.com/2072-4292/10/4/604</a>
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http://socictopen.socict.org/files/original/a8d503515c2218130ba9deeaa4817a68.pdf
b679a21f6ff630fd8061efba1e6def77
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
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The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Agricultura familiar e o novo mundo rural<a name=top1></a>
Creator
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Antônio Márcio Buainain, Ademar R Romeiro, Carlos Guanziroli
Description
An account of the resource
O trabalho discute as razões pelas quais se considera ainda necessário no Brasil a implementação de políticas agrícolas e agrárias voltadas para pequenos produtores familiares. São criticadas as visões predominantes, comuns tanto à esquerda quanto à direita, baseadas em falsas analogias com o caso dos países desenvolvidos, as quais consideram que não há mais espaço no país para políticas do tipo proposto. A importância da produção familiar é enfatizada também através de uma breve apresentação dos dados do censo agrícola do IBGE. Finalmente, na seção conclusiva do trabalho são apresentadas algumas propostas de desenvolvimento rural sustentável baseado na produção familiar.
Date
A point or period of time associated with an event in the lifecycle of the resource
2003
Subject
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Agricultura Familiar, Desenvolvimento sustentável, Eqüidade
Identifier
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10.1590/S1517-45222003000200011
Source
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Sociologias
Publisher
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Universidade Federal do Rio Grande do Sul
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Sociology (General)
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-45222003000200011&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-45222003000200011&lng=en&tlng=en</a>
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http://socictopen.socict.org/files/original/b8986c862e115b63e9e79730ff0e912b.pdf
79047da83ed4b32c550d1c17bb4cc430
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
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The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Soil properties in areas submitted to organic and natural management in highland region of Rio de Janeiro State / <br> Caracterização de propriedades edáficas em áreas sob manejo orgânico e natural na região serrana do Estado do Rio de Janeiro
Creator
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Marcos Gervasio Pereira, Arcângelo Loss, Alexandre Ravelli, Sirgiane Vianna Cardozo
Description
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This work was accomplished in Nova Friburgo, highland region of Rio de Janeiro State. It was studied two rural properties whose producers use organic and natural management of the soil. The natural management differs from the organic for not using crop rotation and organic fertilization with animal dejections. The two rural properties present distinct soil classes; therefore, a comparison among the two soil management systems was not possible. The study had as main objective to evaluate the degree of modification of soil properties in areas submitted to organic and natural management. In each area soil samples were collected under crop areas and control. In natural management, the control was a fallow area. In organic management, the control was a secondary forest area. The results showed that in the area under natural crop management levels of Ca, Ca+Mg, P and pH in water were statistically higher, when compared to the control. For H+Al, the highest values occurred in the reference area, when compared to cultivated areas. In the organic management, higher values of Ca, Ca + Mg, Na, K and P were observed in the crop area in all depths. However, for H + Al and NO3 - , the higher values were found in the control area. A degradation of the soil physical properties in the area under natural management was indicated by variation in aggregate stability and soil bulk density, but the organic management has benefited those properties. The selected and evaluated variables were capable to discriminate the different management systems studied by the main components analysis.Foram estudadas duas propriedades rurais em Nova Friburgo, RJ, com sistemas alternativos de produção, manejo orgânico e manejo natural do solo. O manejo natural difere do orgânico por não utilizar rotação de culturas e adubação orgânica com dejetos animais. As propriedades rurais apresentam classes de solos distintas, não sendo possível haver uma comparação entre os sistemas de manejo. O estudo teve como objetivo, avaliar o grau de modificação das propriedades edáficas em áreas submetidas aos manejos orgânico e natural. Em cada área foram coletadas amostras de terra sob áreas de cultivo e testemunha. No manejo natural, a testemunha foi uma área em pousio. No manejo orgânico, a testemunha foi uma área de floresta secundária. Os resultados mostraram que os teores de Ca, Ca + Mg, P e pH na área sob manejo natural, foram mais altos e estatisticamente significativos sob cultivo, quando comparados à área testemunha. Para o conteúdo de H + Al, os maiores valores ocorrem na área testemunha, em relação à área de cultivo. No sistema de manejo orgânico foram verificados maiores valores de Ca, Ca + Mg, Na, K e P na área sob cultivo, em todas as profundidades. No entanto, para H + Al e NO3 -, os maiores valores foram encontrados na área testemunha. Observou-se uma deterioração das propriedades físicas do solo (DMP e Ds) na área sob manejo natural. Em relação ao manejo orgânico, este beneficiou essas propriedades. As variáveis selecionadas e avaliadas por meio da análise de componentes principais serviu para discriminar as formas de manejo estudadas.
Date
A point or period of time associated with an event in the lifecycle of the resource
2008
Subject
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Agricultura natural, Agricultura orgânica, Olericultura
Identifier
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10.5433/1679-0359.2008v29n3p515
Source
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Semina: Ciências Agrárias
Publisher
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Universidade Estadual de Londrina
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Agriculture (General)
Relation
A related resource
<a href="http://www.uel.br/revistas/uel/index.php/semagrarias/article/view/2763" target="_blank" rel="noreferrer noopener">http://www.uel.br/revistas/uel/index.php/semagrarias/article/view/2763</a>
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http://socictopen.socict.org/files/original/5bdd8099c6e0362de4e0e5c19b5ec5a6.pdf
faf641e4567c6ec1bfa0c5c44628dcef
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Conexões entre agricultura familiar e o Programa Nacional de Alimentação Escolar no Brasil: reflexões sobre o artigo de Schwartzman et al.
Creator
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Luciene Burlandy, Clarice Soares Carvalhosa
Date
A point or period of time associated with an event in the lifecycle of the resource
2017
Identifier
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10.1590/0102-311x00084817
Source
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Cadernos de Saúde Pública
Publisher
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Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Medicine, Public aspects of medicine
Relation
A related resource
<a href="http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0102-311X2017001500502&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0102-311X2017001500502&lng=en&tlng=en</a>
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http://socictopen.socict.org/files/original/acc6fb25ab1e22261ee463545575a25f.pdf
c818599ded16a2bdd1b98dda64ec040b
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Composição florística e faunística de quintais agroflorestais da agricultura familiar no nordeste paraense
Creator
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A. P. Quaresma, R. H. C. Almeida, C. M. Oliveira, O. R. Kato
Description
An account of the resource
Os quintais agroflorestais são comuns entre os agricultores familiares da Amazônia, sendo sistemas de uso da terra sustentáveis desenvolvidos a partir dos saberes tradicionais. Além de ter como principal finalidade a promoção da segurança alimentar, são espaços de socialização e lazer para os agricultores e, podem contribuir para a composição de sua renda pela venda do excedente da produção. O objetivo desse trabalho foi identificar a diversidade dos quintais, a partir da composição de flora e fauna. A pesquisa estudou 37 quintais agroflorestais em cinco comunidades em Igarapé-Açu e Marapanim, nordeste paraense, usando técnicas de observação direta em campo, aplicação de questionários semiestruturados, notas etnográficas e turnê guiada nos quintais agroflorestais. Foram 107 espécies vegetais identificadas e 12 animais. Estes dados revelam que há uma quantidade maior de espécies comparativamente a outros estudos, o que se pode inferir grande conhecimento tradicional empregado na constituição e diversificação desses sistemas de uso da terra no local de estudo, considerando, o baixo nível tecnológico e força de trabalho familiar empregados. Assim, esses espaços característicos das paisagens rurais dos agricultores familiares do nordeste paraense correspondem elementos fundamentais dos seus agroecossistemas, gerando produção e garantindo a reprodução das famílias.Floristic and faunal composition homegardens of family farming in northeast ParáAbstract: The homegardens are common among family farmers in the Amazon, and sustainable land use systems developed from traditional knowledge. Besides having as main purpose the promotion of food security, they are spaces for socialization and recreation for farmers and can contribute to the composition of its income from the sale of production surplus. The aim of this study was to identify the diversity of yards from the flora and fauna composition. The research studied 37 homegardens in five communities in Igarapé-Açu and Marapanim, northeast Pará, using direct observation techniques in the field, application of semi-structured questionnaires, ethnographic notes and guided tour in homegardens. Were identified 107 plant species and 12 animals. These data show that there is a greater number of species compared to other studies, which can be inferred large traditional knowledge used in the creation and diversification of these land use systems in the study site, considering the low technological level and family labor employees. Thus, these characteristic spaces of the countryside of family farmers in northeast Pará match key elements of their agricultural ecosystems, generating production and ensuring the reproduction of families.
Date
A point or period of time associated with an event in the lifecycle of the resource
2015
Subject
The topic of the resource
desenvolvimento comunitário, reprodução socioeconômica, sistemas agroflorestais
Identifier
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10.18378/rvads.v10i5.3706
Source
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Revista Verde de Agroecologia e Desenvolvimento Sustentável
Publisher
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Grupo Verde de Agroecologia e Abelhas (GVAA)
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Agriculture (General), Geography. Anthropology. Recreation, Environmental sciences
Relation
A related resource
<a href="http://www.gvaa.com.br/revista/index.php/RVADS/article/view/3706" target="_blank" rel="noreferrer noopener">http://www.gvaa.com.br/revista/index.php/RVADS/article/view/3706</a>
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http://socictopen.socict.org/files/original/4d7085dcdd2af4635d1f3f4619e09a96.pdf
b0dc30439f17ac1fd11604b7fd10bf0b
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Collection and morphological characterization of sweet potato landraces in north of Rio de Janeiro state Coleta e caracterização morfológica de variedades locais de batata-doce no norte do Rio de Janeiro
Creator
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Monique M Moulin, Rosana Rodrigues, Leandro SA Gonçalves, Cláudia P Sudré, Marilene H dos Santos, José Roberto P da Silva
Description
An account of the resource
The traditional farmers play an important role in plant genetic resources conservation. Collecting the germplasm maintained by these farmers is a very important action to avoid genetic variability losses. The goals of this work were to collect sweet potato from farms in the north of Rio de Janeiro state; to gather information regarding to the farmers profile, and to characterize the sweet potato landraces collected using morphological descriptors. Fifty three farms were visited in six collection expedition and 46 accessions were collected. During the visits the farmers were interviewed using a query with ten items. Six root traits and eight descriptors for vegetative parts were used for morphological characterization. The data were analyzed based on Cole-Rodgers distance and clustering was done with UPGMA method. Familiar agriculture with subsistence objective was observed and sweet potato was cultivated by 72% of the farmers at least for more than a decade, supporting the observation that this vegetable is traditionally cultivated in small areas in the specific region. The morphological characterization was efficient to detect genetic variability among accessions, revealing that traditional farmers from Campos dos Goytacazes and São João da Barra are responsible for sweet potato genotypes conservation with expressive genetic diversity in their properties. There was no relationship between genetic distance and collecting areas.Os agricultores tradicionais têm um papel fundamental na conservação dos recursos genéticos vegetais e a coleta de germoplasma mantido por esses produtores é muito importante para evitar a perda da variabilidade genética. Os objetivos deste trabalho foram coletar germoplasma de batata-doce em propriedades rurais situadas no norte do estado do Rio de Janeiro; levantar informações quanto ao perfil dos produtores rurais visitados durante as coletas, e caracterizar morfologicamente as variedades locais de batata-doce coletadas. Em seis viagens de coleta foram visitadas 53 propriedades rurais, e coletados 46 acessos. Em todas as visitas foi possível entrevistar o produtor por meio de questionário contendo dez itens. Para a caracterização, foram usados seis caracteres de raiz e oito da parte aérea. A análise dos dados foi efetuada com o uso da distância de Cole-Rodgers e o agrupamento foi gerado com o método UPGMA. Foi constatado predomínio da agricultura familiar, voltada para subsistência, sendo que 72% dos agricultores cultivavam a batata-doce há mais de uma década, o que evidencia a tradição de cultivo desta hortaliça em pequenas áreas na região. A caracterização morfológica foi eficiente para detectar a variabilidade genética entre os acessos, demonstrando que os agricultores tradicionais dos municípios de Campos dos Goytacazes e São João da Barra detêm genótipos de batata-doce com expressiva diversidade genética em suas propriedades. Não foi detectada correlação entre a distância genética e os locais de coleta.
Date
A point or period of time associated with an event in the lifecycle of the resource
2012
Subject
The topic of the resource
Agrobiodiversidade, Agrobiodiversity, Germplasm characterization, Ipomoea batatas, agricultura tradicional, caracterização de germoplasma, genetic resources, recursos genéticos, traditional agriculture
Identifier
An unambiguous reference to the resource within a given context
10.1590/S0102-05362012000200017
Source
A related resource from which the described resource is derived
Horticultura Brasileira
Publisher
An entity responsible for making the resource available
Associação Brasileira de Olericultura
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Plant culture
Relation
A related resource
<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362012000200017" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362012000200017</a>
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http://socictopen.socict.org/files/original/bae89faaa996f6f4b44d113e292667d7.pdf
bee27ef5957204914defe91f51924432
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
BOOKLET TO INSTITUTO PEDAGOGICO NACIONAL TEACHERS ABOUT SYMBIOSIS AND PROCESSES ON BIOTECHNOLOGY: THE BIOFERTILIZER Rhizobium sp IN Phaseolus vulgaris WITH ALTERNATIVE TO SYMBIOSIS FOR Phaseolus vulgaris
Creator
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María Camila Quevedo Rubiano
Description
An account of the resource
This article presents the results of the thesis carried out in the research group of Biotechnology Teaching in Colombia, with the aim of providing teachers of Biology of Instituto Pedagogico Nacional a booklet that can strengthen the teaching of biotechnology processes using Rhizobium sp reduction of chemical fertilizers and symbiosis with Phaseolus vulgaris. The booklet contains a proposal of practical activities that enable teachers of this institution to use spaces like the farm, enabling to teach biotechnology related to agronomy. Therefore, for this project was considered two Biological and Pedagogical approaches, the first is within the analytical empirical paradigm in the process of microbiological characterization of Rhizobium and their Biofertilizing ability in beans; and the teaching approach within the design of a booklet that includes the findings of this study as a contribution to the reduction of chemical fertilizers school farm. In order to have a complete analysis of the work it was subjected to quantitative and qualitative methods. This biotech practice is included in the booklet showing in bioassays that bacteria has biofertilizer without inhibiting potential symbiosis, and that research and teaching biological concepts from scientific expertise can be promoted in Biology class for students to understand its context in a significant way, to be used in different levels of education; also it is a teaching strategy.
Date
A point or period of time associated with an event in the lifecycle of the resource
2016
Subject
The topic of the resource
Cartilla, Enfoque Ciencia, Phaseolus vulgaris, Rhizobium sp, Sociedad y Ambiente (ctsa), biofertilizante, tecnología
Source
A related resource from which the described resource is derived
Bio-grafía
Publisher
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Universidad Pedagógica Nacional
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Biology (General), Science
Relation
A related resource
<a href="http://revistas.pedagogica.edu.co/index.php/bio-grafia/article/view/4181" target="_blank" rel="noreferrer noopener">http://revistas.pedagogica.edu.co/index.php/bio-grafia/article/view/4181</a>
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http://socictopen.socict.org/files/original/c8abd258a4c12c83697c990478104790.pdf
075c72413ba92a372f77ef27838273ab
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Ciencia, tecnología y sostenibilidad. Un debate pendiente en Cuba
Creator
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Yasminka Bombus Cabello
Description
An account of the resource
El presente artículo trata sobre un grupo de temáticas que, interrelacionadas entre sí, han dado pie a grandes debates en la contemporaneidad: el desarrollo científico-tecnológico, los Organismos Genéticamente Modificados, la bioética y el desarrollo sostenible. A partir del estudio específico del contexto cubano, se abordan cuestiones relacionadas con la sostenibilidad de la ciencia de frente a los OGM; el impacto ambiental de las vacunas genéticamente modificadas y su relación con el Medio Ambiente; la propuesta de la bioética y la educación ciudadana como impulsora de la sostenibilidad. De manera general se aborda la influencia que ha tenido la ciencia cubana en el desarrollo ambiental, haciendo especial énfasis en las repercusiones de la transgénesis en Cuba; y se proponen algunas claves para promover un desarrollo sostenible desde la ciencia cubana.
Date
A point or period of time associated with an event in the lifecycle of the resource
2016
Subject
The topic of the resource
Bioética, ciência, desarrollo sostenible, medio ambiente, tecnología, transgênicos
Source
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Estudios del Desarrollo Social: Cuba y América Latina
Publisher
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Facultad Latinoamericana de Ciencias Sociales, Programa Cuba
Coverage
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Social Sciences, Social sciences (General)
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A related resource
<a href="http://www.revflacso.uh.cu/index.php/EDS/article/view/115" target="_blank" rel="noreferrer noopener">http://www.revflacso.uh.cu/index.php/EDS/article/view/115</a>
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http://socictopen.socict.org/files/original/60a04c30cfd29bdcbf06efe563d62119.pdf
36088529fc4d122d0553856319406e3e
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Agricultura sostenible
Description
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Dominio científico: Agricultura sostenible
Text
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Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Pecuária familiar: a emergência de uma categoria social no Sul do Brasil
Creator
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Antônio Jorge Amaral Bezerra, Nádia Velleda Caldas, Rafael Gastal Porto, Victor Hugo da Fonseca Porto
Description
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Este trabalho tem como objetivo identificar e caracterizar a pecuária familiar no município de Bagé, estado do Rio Grande do Sul (RS), segundo alguns critérios (estrutura fundiária, modalidade de exploração, natureza da mão de obra, finalidade da produção, comercialização, intermediários, integração da produção, renda agrícola e renda não-agrícola). Foram realizadas entrevistas diretas a produtores durante os meses de maio e junho de 2007, nas localidades rurais de Palmas, Olhos D'Água, Coxilha do Haedo, Serrilhada e Santa Tecla, totalizando 40 questionários aplicados. A análise de frequência foi utilizada para o tratamento dos dados. A pesquisa apontou que 80% dos produtores exploram áreas até 200 hectares e que, para 87,5%, a força de trabalho é exclusivamente de caráter familiar. Quanto à renda agrícola, 70% dos entrevistados responderam ser inferior a dois salários mínimos. O estudo revelou, ainda, a importância das rendas não-agrícolas em relação à renda total, particularmente das aposentadorias e pensões, que funcionam como instrumento essencial de reprodução social das famílias.The objective of this paper was to identify and characterize farm family livestock in Bagé, Rio Grande do Sul State (Brazil), according to some criteria (land area, exploitation of approach, labour use, production objective, commercialization, intermediary, production integration, rural income and no-rural income). Direct interviews were conducted with family livestock farmers during May and June 2007 in the following locations: Palmas, Olhos D'Água, Coxilha do Haedo, Serrilhada and Santa Tecla, comprising a total of 40 interviews. Frequency analysis was used to examine the data. The research showed that 80% of the farmers explore areas of up to 200 hectares and 87,5% of the interviewees use exclusively family labour. As for the rural income, 70% of the cases earned less than two minimum wages. The results also showed the importance of off-farm income compared to total income, particularly from retirements and pensions, which are an essential instrument of social reproduction for the families.
Date
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2010
Subject
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Agricultura Familiar, Beef cattle, Caracterização, Family farming, bovinos de corte, characterization
Identifier
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10.1590/S0103-20032010000200010
Source
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Revista de Economia e Sociologia Rural
Publisher
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Sociedade Brasileira de Economia e Sociologia Rural
Coverage
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Agriculture (General)
Relation
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<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-20032010000200010" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-20032010000200010</a>
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http://socictopen.socict.org/files/original/3292b7a6957f86c5e72cc2ba9354a45a.pdf
481785074c47add8e2874fed98e359b2
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Agricultura sostenible
Description
An account of the resource
Dominio científico: Agricultura sostenible
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Produção de feijão caupi em função da salinidade e regulador de crescimento
Creator
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Francisco de A. de Oliveira, José F. de Medeiros, Rita de C. Alves, Luan A. Lima, Sandy T. dos Santos, Lúcia R. de L. Régis
Description
An account of the resource
RESUMOO uso eficiente de água salina depende da tolerância da cultura e da adoção de tecnologia que reduzam o efeito da salinidade. O trabalho foi desenvolvido em Mossoró-RN, para avaliar o uso do bioestimulante Stimulate® e da salinidade na cultura do feijão caupi. O delineamento experimental utilizado foi o inteiramente casualizado em esquema fatorial 4 × 4, sendo quatro concentrações salinas na água de irrigação (0,5; 2,0; 3,5 e 5,0 dS m-1) e quatro de bioestimulante aplicadas através de pulverização (0; 0,5; 1,0 e 1,5 L ha-1), com quatro repetições. Foram analisadas as seguintes variáveis: número de vagens por planta, comprimento das vagens, número de grãos por vagem, produção de grãos e índice de colheita. A análise estatística dos dados revelou que houve interação significativa entre os fatores para a maioria das variáveis. O uso de concentrações elevadas de bioestimulante potencializou o efeito deletério da salinidade da mesma forma como o uso de água com alta salinidade inibiu o efeito do bioestimulante no rendimento da cultura. O uso do bioestimulante Stimulate® com concentrações de 0,5 a 0,75 L ha-1proporcionou aumento na produção de grãos de feijão caupi desde que a irrigação tenha sido realizada com água de condutividade elétrica menor que 3,5 dS m-1.
Date
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2015
Subject
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Estresse salino, Vigna unguiculata (L.) Walp, fitorreguladores
Identifier
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10.1590/1807-1929/agriambi.v19n11p1049-1056
Source
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Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi
Publisher
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Universidade Federal de Campina Grande
Coverage
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Agriculture (General)
Relation
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<a href="http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001101049&lng=en&tlng=en" target="_blank" rel="noreferrer noopener">http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001101049&lng=en&tlng=en</a>