Results 21 to 30 of about 222 (168)
Políticas agrícolas e patronato agroindustrial no Brasil (1909-1945)
História Econômica & História de Empresas, 2014 Os estudos sobre políticas agrícolas no Brasil tomam o movimento de 1930 como marco de sua gênese, secundarizando o papel do Ministério da Agricultura em sua promoção muito antes dele.
Sonia Regina de Mendonça
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Avian seed dispersal out of the forests: A view through the lens of Pleistocene landscapes
Journal of Ecology, Volume 113, Issue 3, Page 510-517, March 2025.Many European woody species are light‐demanding and fail to regenerate in the shaded interiors of temperate forests. Most of these species are dispersed by frugivorous and seed‐caching birds. The spatial patterns of avian seed dispersal in fragmented anthropogenic landscapes are congruent with an ecological and evolutionary history with open and semi ...
Juan P. González‐Varo
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Un laberinto de papel. Fábricas de pasta de celulosa y conflicto socioambiental en el río Uruguay
Documents d'Anàlisi Geogràfica, 2011 Les fàbriques de pasta de cel·lulosa tenen fama de ser potencialment contaminants i, per tant, motiu de conflictes en moltes parts del món. Arran de la instal·lació d’una planta d’aquest tipus a la riba oriental del riu Uruguai —el qual delimita la ...
Carlos Reboratti
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Revista del Museo de La Plata, 2023 El presente trabajo se propone reflexionar sobre las aperturas técnicas, conceptuales y metodológicas que propone el concepto de ?Cerámica expandida? cuando investigamos en relación con la materia y la temperatura.
Anabel González Alonso
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Cliquepolitik: Multimodal online discourse coalitions on CRISPR‐Cas genome editing technology
Review of Policy Research, Volume 42, Issue 1, Page 50-76, January 2025.Abstract The influence of visualizations on decision‐making about controversial policy issues is increasingly recognized in the political and policy sciences. In this paper, we explore how combinations of visuals and text on Twitter (now X) lead to the formation of networks of actors sharing similar textual and visual framings about a policy issue in ...
Eduardo Rojas‐Padilla +2 more
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PRODUÇÃO DE PASTA CELULÓSICA E PAPEL DO PSEUDOCAULE DE BANANEIRA (Musa sp)
ENERGIA NA AGRICULTURA, 2018 Este estudo teve por objetivo avaliar o rendimento da conversão do pseudocaule de bananeira (Musa sp) em pasta celulósica. As pastas celulósicas, produzidas pelo processo soda, foram utilizadas na confecção de papéis, que foram comparados entre si, considerando-se características físicas e ópticas, como o fundo de impressão, a lisura e os aspectos ...
Caroline Tosetto Pimentel +2 more
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PLANTS, PEOPLE, PLANET, Volume 6, Issue 5, Page 1111-1120, September 2024.Political interests and power structures shape state‐led crop conservation and food policy. As a crop that relates to culture and belonging, the chile crop is ideal for exploring how food security policy and crop conservation schemes integrate aspects beyond staple crops, calories, and/or electoral incentives.
Daniela Sclavo
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UTILIZAÇÃO DE MISTURAS DE CAVACOS INDUSTRIAIS COM RESÍDUOS DE SERRARIA PROVENIENTES DE MADEIRAS DE Eucalyptus grandis DE DIFERENTES IDADES PARA PRODUÇÃO DE PASTA KRAFT [PDF]
Ciência Florestal, 2004 Este trabalho estuda a viabilidade técnica do uso conjunto de resíduos de serraria (costaneiras dentre outros) e topos de árvores de Eucalyptus grandis com 15 anos de idade, destinadas à produção de madeira sólida, com madeira de árvores de plantio ...
Angelina Maron, José Mangolini Neves
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Anais da Academia Brasileira de Ciências, 2010 This study deals with the behaviour of mixtures of sand and saturated kaolin paste considered as composite materials made of permeable and deformable (with non-linear behaviour) matrix (the kaolin paste) with rigid and impervious inclusions (the sand ...
Claude Boutin +2 more
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World Food Policy, Volume 10, Issue 1, Page 48-85, May 2024.Abstract Despite receiving considerable attention, food insecurity remains a salient issue, especially in sub‐Saharan Africa. Among other factors, limited access to credit is one of the direct drivers of food insecurity. Hence, interventions such as credit, which improve household income, may be important in improving food security.
Emmanuel Kyeremateng +3 more
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