1101
10
20655
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http://socictopen.socict.org/files/original/4e8219c8793b2aa71d30a6c08b7a6208.pdf
957e8f31aa17cbc2cc7a0bc2ecebe01f
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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RECYCLING OF COMMERCIAL ENZYMES IN THE PRODUCTION OF SECOND GENERATION ETHANOL
Creator
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Layanis Mesa Garriga, Erenio González Suárez, Carmen A. Salvador Pinos, Adalis Mesa Noval
Description
An account of the resource
The present work proposes a procedure to evaluate the economic impact of recycling cellulolytic enzymes in ethanolproduction from sugarcane bagasse process. Three scenarios of ethanol-producing plants of different capacities are set to make the theoretical calculations. The proposed procedure starts from the experimental results reported on the yield changes obtained at the laboratory level when the original enzyme is used and when it is recycled on one or two occasions. From the technological demands of enzymatic quality, some necessary mixtures are established so the levels of addition of original enzyme are evaluated for different levels of recycling of enzymes. The procedure then includes possible scenarios for recycling the enzymes one or several times and it establishes the economic impacts regarding reduction of raw materials. Since the process of recycling enzymes is planned for an industrial installation, economic estimates of the investment are made for a given capacity with and without recycling of enzymes. For the three capacities, the investment and production costs are estimated, as well as the investments required to be able to recycle the enzymes in the enzymatic hydrolysis stage. Recovery of investments is also considered and projected. The economic benefits of recycling enzymes increase as installed production capacity increases.
Date
A point or period of time associated with an event in the lifecycle of the resource
2018
Subject
The topic of the resource
economic impact, enzymes, ethanol, recycling
Source
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Centro Azúcar
Publisher
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Universidad Central Marta Abreu" de Las Villas"
Coverage
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Special industries and trades
Relation
A related resource
<a href="http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/74" target="_blank" rel="noreferrer noopener">http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/74</a>
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http://socictopen.socict.org/files/original/b1ea1c42fea5b0fa3d01739fb35929cf.pdf
b0039f449987bd3dbb74a1c240c00a99
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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LA (R) EVOLUCIÓN DE LA INFORMACIÓN EN BIOLOGÍA: EL CASO DE LA GENÓMICA
Creator
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Layla Michán Aguirre
Description
An account of the resource
RESUMENLa Biología ha evolucionado rápidamente en las últimas décadas, uno de los indicadores de este fenómeno ha sido la introducción de nuevas disciplinas, tal es el caso de la Genómica que se originó en la década de los 80 y ha dado un giro inverosímil a la ciencia moderna, dicha disciplina hace referencia al estudio no sólo de los genes, sino sus funciones, relaciones entre sí y con el medio ambiente. Surgió con la consolidación del Proyecto Genoma Humano en un periodo de transición donde el conocimiento genético específico se tornó crítico. Se diferencia de otros enfoques (por ejemplo: la ecología, la biología evolutiva) en el tipo de información que ofrece, las perspectivas de mejoras técnicas e intelectuales en la obtención y explotación de datos de todo el genoma (Murray, 2000).Presentamos un breve análisis bibliométrico en el que se presenta el desarrollo y las principales tendencias de esta disciplina biológica en boga.Palabras clave: biología, genómica, bibliometría, proyecto genoma humano, ciencia moderna.ABSTRACTBiology has been revolutionized by the introduction of new disciplines, such is the case of genomics that introduced in the 80s has turned unlikely to modern science, the discipline refers to the study not only of genes but their roles, relations among themselves and with the environment. Arises, with the consolidation of the Human Genome Project and introduces us to a period of transition in which specific genetic knowledge becomes critical. Differs from other approaches in the type of information provided, the prospects for technical and intellectual improvements in the collection and use of data from the whole genome. (Murray, 2000).This work aims to investigate the recent Biology, in particular, to show the history of genomics, through literature search and bibliometric analysis.Key words: biology, genomics, bibliometrics, human genome project, specific genetic knowledge.
Date
A point or period of time associated with an event in the lifecycle of the resource
2011
Source
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Acta Biológica Colombiana
Publisher
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Universidad Nacional de Colombia
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)
Relation
A related resource
<a href="https://revistas.unal.edu.co/index.php/actabiol/article/view/19282" target="_blank" rel="noreferrer noopener">https://revistas.unal.edu.co/index.php/actabiol/article/view/19282</a>
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http://socictopen.socict.org/files/original/6998dcba4319592ea5532b1315d951c6.pdf
1674f684c1331cdeb298cbcae3669af7
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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Bioestimulantes no crescimento vegetal e desempenho agronômico do feijão-comum de ciclo superprecoce
Creator
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Laylla Luanna de Mello Frasca, Adriano Stephan Nascente, Anna Cristina Lanna, Maria Conceição Santana Carvalho, Guilherme Gonçalves Costa
Description
An account of the resource
O feijão-comum é uma das principais culturas produzidas e consumidas no Brasil, apresenta grande valor econômico e social para a população. Bioestimulante são substancias sintéticas ou naturais aplicadas em sementes, superfície foliar e solo visando proporcionar melhor desenvolvimento das plantas. Entretanto, os seus efeitos ainda são questionáveis. O objetivo do trabalho foi determinar o efeito do uso de bioestimulantes nas trocas gasosas, nos teores de nutrientes foliares e dos grãos, produção de matéria seca, componentes de produção e produtividade do feijoeiro de ciclo superprecoce. O experimento foi conduzido no período de verão na região dos Cerrados. O delineamento experimental utilizado foi de blocos casualizados, com 12 tratamentos e 4 repetições. Os tratamentos foram compostos pelos seguintes bioestimulantes: (I) Cinetina + ácidos; (II) Leonardita; (III) Micro + ácidos fúlvicos, (IV) Micro + aminoácidos; (V) Micro + Ascophyllum; (VI) Micro + Eklonya; (VII) N + ácidos; (VIII) N + K + aminoácidos; (IX) Trichoderma , (X) Trichoderma asperellum + Bacillus methylotrophicus, (XI) Turfa e (XII) Controle. Os dados foram submetidos à análise de variância e ao teste de LSD e ao teste de Dunnet a 5%, para comparação dos tratamentos ao controle. O uso de bioestimulantes não promoveu acréscimo significativo nas trocas gasosas, largura foliar, número de grãos por vagem, massa de 100 grãos e produtividade. Apresentou resultados positivos no acúmulo de matéria seca total, das hastes, folhas e vagens com o uso de Micro + Ac. Fúlvicos e acarretou maior número de vagens por planta pela aplicação de Micro + Ascophyllum.
Date
A point or period of time associated with an event in the lifecycle of the resource
2020
Subject
The topic of the resource
phaseolus vulgaris. promotores de crescimento. produtividade
Identifier
An unambiguous reference to the resource within a given context
10.30612/agrarian.v13i47.8571
Source
A related resource from which the described resource is derived
Agrarian
Publisher
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Universidade Federal da Grande Dourados
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
Relation
A related resource
<a href="http://ojs.ufgd.edu.br/index.php/agrarian/article/view/8571" target="_blank" rel="noreferrer noopener">http://ojs.ufgd.edu.br/index.php/agrarian/article/view/8571</a>
-
http://socictopen.socict.org/files/original/0e344d4f8d5dd30e08461f640843d3ce.pdf
82399eda246a5082a84ffbbda4445a25
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
Estratégias de comercialização do “Fubá da Paixão” produzido no Polo da Borborema, Paraíba
Creator
An entity primarily responsible for making the resource
Laysa Gabryella de Souza Laurentino, Isleno Michel de Sousa Santos, Alícia Nayana dos Santos Lima de Brito, Patrícia Ferreira da Silva
Description
An account of the resource
As estratégias de marketing são fundamentais em qualquer empreendimento e trata-se de todas as ações que serão utilizadas para divulgar uma marca, produto ou serviço e, consequentemente, atrair mais clientes. O objetivo deste trabalho foi analisar estratégias de comercialização do fubá da paixão produzido com sementes crioulas. Utilizou-se como método a pesquisa de campo, onde a coleta de dados foi realizada através de visitas e aplicação de entrevistas semiestruturadas aos agricultores(as)/feirantes da Feira Agroecológica do munícipio de Remígio, Paraíba. Os produtos derivados do milho livre de transgênico estão atraindo diversos consumidores conscientes e sua comercialização estimula a ampliação do plantio de milho no território da Borborema. Porém, ainda se restringe apenas as cidades circunvizinhas ao Polo da Borborema envolvidas nessa atividade, necessitando da adoção de estratégias que amplie as oportunidades de geração de renda das famílias agricultoras, como maiores investimentos na divulgação e inserção em políticas públicas.
Date
A point or period of time associated with an event in the lifecycle of the resource
2021
Subject
The topic of the resource
Agricultura Familiar, Desenvolvimento Local, Semente crioula, geração de renda, marketing
Identifier
An unambiguous reference to the resource within a given context
10.18378/rvads.v16i2.8384
Source
A related resource from which the described resource is derived
Revista Verde de Agroecologia e Desenvolvimento Sustentável
Publisher
An entity responsible for making the resource available
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="https://gvaa.com.br/revista/index.php/RVADS/article/view/8384" target="_blank" rel="noreferrer noopener">https://gvaa.com.br/revista/index.php/RVADS/article/view/8384</a>
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http://socictopen.socict.org/files/original/1f4be7ae5b047df93b1cf7ed8e5194fd.pdf
24d1891349e2de5585833dfd15a798c1
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
Transformações na trajetória dos sistemas agroflorestais no município de Irituia – PA
Creator
An entity primarily responsible for making the resource
Layse de Nazaré Gonzaga Braga, Lívia de Freitas Navegantes-Alves, Emilie Suzanne Coudel
Description
An account of the resource
Em zonas de colonização antiga da Amazônia, como o Nordeste do Pará, os sistemas de produção agrícola, baseados principalmente em cultivos anuais em sistemas de corte e queima, enfrentam desafios para se manter. Nesse contexto, atores estão promovendo Sistemas Agroflorestais (SAF) para viabilizar a restauração das áreas degradadas, geração de renda e soberania alimentar das famílias agrícolas. Essa transição requer a transformação de todo o sistema agrário. Neste artigo objetiva-se identificar os eventos históricos e as mudanças nos fatores externos ao sistema de produção que condicionaram as transformações para a introdução/modificação dos SAF em Irituia –PA. Utilizou-se a abordagem sistêmica, entrevistas históricas, questionários, análise documental e análise de paisagem. Os incentivos públicos locais foram os principais precursores da consolidação dos SAFs dentro dos sistemas de produção familiares. Com essas iniciativas, que proporcionaram mudanças estruturais multiescalares, a trajetória dos sistemas de produção indica uma perspectiva diferenciada, com incremento de sustentabilidade.
Date
A point or period of time associated with an event in the lifecycle of the resource
2020
Subject
The topic of the resource
Agricultura Familiar, Conhecimentos tradicionais, Práticas Agroecológicas, contexto agrário, sistema de produção
Source
A related resource from which the described resource is derived
Revista IDEAS
Publisher
An entity responsible for making the resource available
Universidade Federal Rural do Rio de Janeiro
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
Relation
A related resource
<a href="https://revistaideas.ufrrj.br/ojs/index.php/ideas/article/view/272" target="_blank" rel="noreferrer noopener">https://revistaideas.ufrrj.br/ojs/index.php/ideas/article/view/272</a>
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http://socictopen.socict.org/files/original/6dc972799175c9ec903bf3f2b0ddcebe.pdf
4870f450026183113e0d6ac0cc2a75c9
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
Carta al Editor
Creator
An entity primarily responsible for making the resource
Lázara Inés La Nuez Cardelle
Description
An account of the resource
Opinión de una lectora sobre el artículo 'Variabilidad y cambios climáticos. Impacto sobre algunas enfermedades infecciosas'. El mismo fue publicado en la Revista Habanera de Ciencias Médicas, durante los meses de Julio-Septiembre del año 2011. Volumen X (3).
Date
A point or period of time associated with an event in the lifecycle of the resource
2014
Source
A related resource from which the described resource is derived
Revista Habanera de Ciencias Médicas
Publisher
An entity responsible for making the resource available
Universidad de Ciencias Médicas de La Habana
Coverage
The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant
Public aspects of medicine, Medicine (General)
Relation
A related resource
<a href="http://www.revhabanera.sld.cu/index.php/rhab/article/view/464" target="_blank" rel="noreferrer noopener">http://www.revhabanera.sld.cu/index.php/rhab/article/view/464</a>
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http://socictopen.socict.org/files/original/a751d9ec7832d7ce59c9a8c47e4b3b75.pdf
8f91fa58aae37f384717a440942807a1
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
Respuesta de Crotalaria juncea (L.) a la inoculación con especies de hongos micorrízico arbusculares en un suelo pardo grisáceo
Creator
An entity primarily responsible for making the resource
Lázaro J. Ojeda Quintana, Consuelo Hernández Rodríguez, Lairy Sánchez Cordero, Roberto M. Sainz Lombó
Description
An account of the resource
Con el objetivo de seleccionar especies efectivas de hongos micorrizicos arbusculares (HMA) en la especie de leguminosa Crotalaria juncea (L.), utilizada como abono verde se desarrolló una investigación en áreas experimentales del Centro Universitario Municipal de Cumanayagua basado en inoculaciones de esta leguminosa con diferentes especies de HMA, control con fertilización mineral completa y un testigo absoluto, todos en un diseño de bloques al azar con siete tratamientos y tres repeticiones. Se evaluaron el rendimiento de biomasa (g/plantas), contenido de NPK en planta (%), relación carbono nitrógeno y parámetros biológicos de la micorrización. Los análisis estadísticos se realizaron mediante ANOVA y se empleó la prueba de Tukey, con el uso del programa estadístico SPSS, versión 15.0. Los resultados alcanzados mostraron el mayor rendimiento de biomasa en la fertilización mineral, Funneliformis mosseae, Glomus cubense, Rhizoglomus irregulare y Claroideoglomus claroideum superaron al testigo, a excepción del Consorcio que no difirió del mismo. Funneliformis mosseae y el control alcanzaron el mayor porcentaje de nitrógeno en la planta, de igual forma esta especie tuvo el mayor contenido de fósforo, mientras que el potasio fue mayor en el NPK.
Date
A point or period of time associated with an event in the lifecycle of the resource
2019
Subject
The topic of the resource
Nutrientes, abono verde, biofertilizantes, inoculación, suelo
Source
A related resource from which the described resource is derived
Agroecosistemas
Publisher
An entity responsible for making the resource available
Universidad de Cienfuegos
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), Environmental sciences
Relation
A related resource
<a href="https://aes.ucf.edu.cu/index.php/aes/article/view/269/294" target="_blank" rel="noreferrer noopener">https://aes.ucf.edu.cu/index.php/aes/article/view/269/294</a>
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http://socictopen.socict.org/files/original/7ee2a00491b3be7875721a1e3587cffa.pdf
62bf571d0cf3a3f60a1da95872b3cd52
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
Influencia de la aplicación de Azospirillum lipoferum en Megathyrsus maximus vc. guinea tobiatá en un suelo Pardo Grisáceo
Creator
An entity primarily responsible for making the resource
Lázaro J. Ojeda-Quintana, Layda Toledo-Vazquez, Consuelo Hernández-Rodríguez, Yoandy Machado-Díaz, Eduardo Furrazola-Gómez
Description
An account of the resource
Durante dos años se realizó un estudio en la Estación Experimental de Suelos y Fertilizantes Escambray (ubicada en la provincia de Cienfuegos, Cuba), con el fin de evaluar el efecto de la aplicación de diferentes dosis de Azospirillum lipoferumen Megathyrsus maximus vc. guineatobiatá. Para ello se empleó un diseño de bloques al azar, con siete tratamientos y tres réplicas. Los tratamientos fueron: dosis de aplicación del biofertilizante (L ha-1): 25, 50, 75, 100 y 125; un testigo con NPK en la siembra (45 kg ha-1 de nitrógeno en cortes alternos); y un control absoluto. Las parcelas medían 16 m2, con un área evaluable de 9 m2. La cepa de A. lipoferum utilizada fue INICA-8, con una concentración promedio de 108ufc g-1de semilla. Se realizaron cuatro cortes por año, con una frecuencia de 90 días, a una altura sobre el suelo de 25 cm, y en cada corte se evaluó el rendimiento de materia seca. La aplicación de A. lipoferum tuvo una influencia favorable en el establecimiento del pasto; el rendimiento acumulado fue de 27,91; 28.34; 30,17; 30,23 y 31,92 t de MS ha-1 para 25, 50, 75, l00 y 125 L ha-1, respectivamente, con diferencia significativa del control. El mayor rendimiento de MS se encontró en el testigo fertilizado (54,45 t de MS ha-1), que difirió significativamente del resto de los tratamientos. Se concluye que este biopreparado puede ser una alternativa a la fertilización mineral.
Date
A point or period of time associated with an event in the lifecycle of the resource
2016
Subject
The topic of the resource
abonos orgánicos, bacteria fijadora del nitrógeno, rendimiento
Source
A related resource from which the described resource is derived
Pastos y Forrajes
Publisher
An entity responsible for making the resource available
Estación Experimental de Pastos y Forrajes Indio Hatuey
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), Animal culture
Relation
A related resource
<a href="http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S0864-03942016000100004&lng=es&nrm=iso&tlng=es" target="_blank" rel="noreferrer noopener">http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S0864-03942016000100004&lng=es&nrm=iso&tlng=es</a>
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http://socictopen.socict.org/files/original/4d0ec01c2640b29e142bb721910e4ec0.pdf
416e89821bc7b09d46a0513617b9e635
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
Efecto del abono verde de Canavalia ensiformis (L.) micorrizada en el cultivo sucesor Cenchrus purpureus (Schumach.) Morrone Cuba CT-169
Creator
An entity primarily responsible for making the resource
Lázaro Jesús Ojeda-Quintana, Ramón Rivera-Espinosa, Pedro José González-Cañizares, Juan José de la Rosa-Capote, Osvaldo Arteaga-Rodríguez, Consuelo Hernández-Rodríguez
Description
An account of the resource
ObjetivoEvaluar el efecto del abono verde de Canavalia ensiformis (L.) micorrizada en el rendimiento y calidad de biomasa del cultivo sucesor Cenchrus purpureus (Schumach.) Morrone Cuba CT-169.Materiales y MétodosSe desarrolló una investigación en un suelo de baja fertilidad natural de la Unidad Científico Tecnológica de Base Suelos, Barajagua, Cienfuegos, Cuba. Se empleó un diseño de bloques al azar, con tres réplicas y cuatro tratamientos: inoculación de canavalia con las especies de hongos micorrízicos arbusculares Funneliformis mosseae, Glomus cubense y Rhizoglomus irregulare y un tratamiento sin inoculación (testigo). A los 69 días, se incorporó la canavalia al suelo y 70 días después se plantó C. purpureus vc Cuba CT-169. Se evaluaron indicadores morfológicos, el rendimiento de biomasa y el contenido de proteína bruta de C. purpureus, además de la colonización micorrízica de las raíces y su densidad visual.ResultadosNo hubo diferencias estadísticas en la altura, el largo de la cuarta hoja, el área foliar y el grosor del tallo. En cuanto al ancho de la cuarta hoja, la mejor respuesta fue con el abono verde de C. ensiformis, micorrizada con la cepa R. irregulare, sin diferir del resto de las variantes inoculadas, aunque sí del testigo (p ≤ 0,05). La producción de biomasa mostró diferencias significativas en las variantes inoculadas con G. cubense y F. mosseae con relación al testigo. R. irregulare no difirió de las dos cepas anteriores ni del testigo. En el contenido de proteína bruta no se encontraron diferencias estadísticas entre los tratamientos inoculados, pero sí difirieron del testigo.ConclusionesLos resultados sugieren una combinación favorable del abono verde de C. ensiformis micorrizada y C. purpureus vc Cuba CT-169. La inoculación de la canavalia con las cepas de micorrizas incrementó el rendimiento de biomasa y proteína bruta de C. purpureus vc Cuba CT-169.
Date
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2019
Subject
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inoculación; biomasa; rendimiento
Source
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Pastos y Forrajes
Publisher
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Estación Experimental de Pastos y Forrajes Indio Hatuey
Coverage
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Agriculture (General), Animal culture
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<a href="http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S0864-03942019000400277&lng=es&nrm=iso&tlng=es" target="_blank" rel="noreferrer noopener">http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S0864-03942019000400277&lng=es&nrm=iso&tlng=es</a>
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http://socictopen.socict.org/files/original/e7b6b7a1409fdb36bd3a35c2efa63f3e.pdf
9d2c4fd5862678bed5f882c3d93e9db8
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/.
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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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Species diversity, structure and dynamics of two populations of an endangered species, Magnolia dealbata (Magnoliaceae)
Creator
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Lázaro R Sánchez-Velásquez, María del Rosario Pineda-López
Description
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Little is known about the ecology and demography of the genus Magnolia. Magnolia dealbata Zucc. is an endangered species endemic to Mexico. Two contrasting populations of M. dealbata (one from the grasslands and other from a secondary cloud forest) were studied. We asked the following questions: (a) Are size structure (diameter at breast height, DBH) and infrutescence production significantly different between the two populations? (b) What are the populations’ growth rates (λ) based on an initial 1987 study? (c) Are the associated species diversity indices of these M. dealbata populations significantly different? The results show no significant differences between the population size structure (p=.094); the growth rates of the populations were 0.992 in grassland and 1.053 in secondary cloud forest. The number of infrutescences produced in year 2001 and DBH relationship were significantly linear (p.01) between their slopes. The diversity indices were not significantly different (p>.05), and only 54% of the species were common to both sites. Our study suggests that both populations are relatively stable and that the management history could impact more on the species composition than on the diversity indices. Rev. Biol. Trop. 54 (3): 997-1002. Epub 2006 Sept. 29.La ecología y demografía del género Magnolia han sido poco estudiadas. Magnolia dealbata Zucc. es una especie endémica de México y es considerada en peligro de extinción. Se estudiaron dos poblaciones contrastantes de M. dealbata (una dentro de un pastizal y la otra dentro de vegetación secundaria del bosque mesófilo de montaña -bosque de niebla-). Buscamos respuestas a las siguientes preguntas: (a) ¿La estructura de tamaños y la producción de frutos de ambas poblaciones son significativamente diferentes? (b) ¿Cuáles son las tasas de crecimiento poblacional (λ), tomando como población inicial un estudio de 1987? (c) ¿Son significativamente diferentes los valores de diversidad de especies de ambas poblaciones? No hallamos diferencias significativas entre la estructura de tamaños de ambas poblaciones (p=.094). Las tasas de crecimiento poblacional de las poblaciones en pastizal y en el bosque secundario de neblina fueron 0.992 y 1.053, respectivamente. El número de infrutescencias por individuo producidas en 2001 y su relación con el diámetro a la altura del pecho fueron significativamente lineales, y no hubo diferencias significativas entre sus pendientes (p>.1). Los índices de diversidad no fueron significativamente diferentes (p>.05) y sólo el 54 % de las especies fueron comunes entre sitios. Las poblaciones parecen relativamente estables y el historial de manejo en ambas comunidades podría afectar más a la composición de especies que a los índices de diversidad.
Date
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2006
Subject
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Diversidad, Diversity, Magnolia dealbata, México, POPULATION, bosque nuboso, cloud forest, endangered species, especie en peligro de extinción, infrutescences, infrutescencia, población
Source
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Revista de Biología Tropical
Publisher
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Vicerractoría Investigación
Coverage
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Biology (General)
Relation
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<a href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442006000300033" target="_blank" rel="noreferrer noopener">http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442006000300033</a>