Results 41 to 50 of about 232,340 (288)
Sustainable Productivity Growth in Agriculture: The Role of Shifts in R&D Investments and Technology
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT The objective of the paper is to evaluate the long‐term prospects of sustainable productivity growth linked to plausible assumptions on public agricultural R&D investments as the key productivity driver. Second, it investigates the role of changing R&D focus from yield maximization to input saving technologies (fertilizers and pesticides). The
Zuzana Smeets Křístková +4 more
wiley +1 more source
Séro-prévalence des agglutinines à Listeria monocytogenes chez les animaux domestiques au Nigeria
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1989 Une enquête, utilisant le test d'agglutination en tube, a été conduite pour déterminer la prévalence de Listeria monocytogenes sérotypes 1/2a, 1/2b, 1/2c, 3a et 4b; 1190 échantillons de sérum de 8 espèces animales, provenant de diverses localités des ...
O.O. Oni +3 more
doaj +1 more source
Seleção de clones de mandioca de raízes amarelas para a indústria. [PDF]
, 2012 O Brasil é o terceiro maior produtor mundial de mandioca, depois da Nigéria e da Tailândia. A produção e o consumo de farinha concentram-se principalmente nas regiões Norte e Nordeste.
CAMPOS, M. C. +2 more
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Assessing Household Welfare in Response to Rising Food Prices in The Gambia
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT This study examines how rising food prices affected household welfare in The Gambia using nationally representative data from the 2015/16 Integrated Household Survey (IHS‐3). The analysis reflects household consumption behavior and market conditions prevailing during that period and provides a structural benchmark for understanding ...
Roger Vorsah +3 more
wiley +1 more source
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1994 Des modifications des valeurs hématologiques ont été observées chez des brebis de la race Naine de l'Afrique de l'Ouest infectées par Trypanosoma brucei.
A.O. Ogunsanmi, S.O. Akpavie, V.O. Anosa
doaj +1 more source
Implementos e métodos de preparo do solo agrícola. [PDF]
, 2019 bitstream/item/136345/1/ID-31075.pdfApostila do Curso de Capacitação sobre Manejo e Melhoramento do Solo com ênfase em Métodos de Preparo Efetivo do Solo, 1997, Ibadan ...
ANJOS, J. B. dos
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Agribusiness, EarlyView.ABSTRACT Contract farming is a viable strategy agribusinesses rely on to strengthen coordination across actors in the value chain. However, low contract compliance remains a significant setback to agribusinesses' contract performance in low‐ and middle‐income country context.
Umar Shehu Umar +2 more
wiley +1 more source
Revue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1995 Les auteurs ont comparé la réponse immunitaire de trois groupes de 10 poussins vaccinés à l'âge de 2 semaines contre la bursite infectieuse (maladie de Gumboro) par voie orale, intramusculaire et oculaire, à l'aide d'un vaccin préparé par le NVRI (Vom ...
F.A. Kembi, O.O. Delano, M.A. Oyekunle
doaj +1 more source
Coleção ativa de germoplasma de feijão-caupi (Vigna unguiculata (L.) Walp.) e de outras espécies do gênero Vigna, da Embrapa Meio-Norte, no período de 1976 a 2003. [PDF]
, 2013 Originário da África, o feijão-caupi foi introduzido no Brasil no século 16. Tradicionalmente cultivado no Nordeste brasileiro, vem se expandindo para outras regiões, principalmente para o Centro Oeste do Brasil, em razão da sua ampla adaptabilidade às ...
AZEVEDO, J. N. de +6 more
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Agribusiness, EarlyView.ABSTRACT This study sets out to investigate the prospects for raising oil palm output in sub‐Saharan Africa, particularly Ghana, without further expansion of cropland. Given global concerns about oil palm's role in deforestation and land use change, the focus is on enhancing productivity on existing farmlands.
Jacob Asravor +3 more
wiley +1 more source