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Rippstein, GAmézquita Collazos, EdgarEscobar, G.Grollier, C[Condiciones naturales de la sabana]Condiciones naturales de la sabana
Iglesias F., Carlos ArielÁlvarez, Elizabeth[Potencial de producción y uso de la yuca en los Llanos Orientales de Colombia]Potencial de producción y uso de la yuca en los Llanos Orientales de Colombia

Rippstein, GEscobar, E.Toledo, José M.Fisher, Myles J.Mesa F, E[Caracterización de comunidades vegetales de la altillanura en el Centro de Investigación Agropecuaria, Carimagua, en Meta, Colombia]Caracterización de comunidades vegetales de la altillanura en el Centro de Investigación Agropecuaria, Carimagua, en Meta, Colombia

International Center for Tropical Agriculture[Economically viable and environmentally sound soil, water, and nutrient management practices developed and tested by applying and integrating knowledge of biophysical and socioeconomic processes: Output 2]Economically viable and environmentally sound soil, water, and nutrient management practices developed and tested by applying and integrating knowledge of biophysical and socioeconomic processes: Output 2
Zeigler, Robert S.Sarkarung, SurapongSanz, José IgnacioMolina López, Diego Luis[Upland rice germplasm development and production system research at the International Centre for Tropical Agriculture]Upland rice germplasm development and production system research at the International Centre for Tropical Agriculture
Reddy, B.V.S.Rangel, AFIglesias, C.A.Bernal Riobo, Jaime Humberto[Evaluation of sorghum and pearl millet for acid-soil tolerance in the Oriental Llanos of Colombia]Evaluation of sorghum and pearl millet for acid-soil tolerance in the Oriental Llanos of Colombia

The attitudes of farmers towards risks influence their decision to invest into farming. Understanding the factors that influence these attitudes is important for crop development. This paper uses a combination of Ridge and Tobit regression analyses to determine the factors influencing risk aversi...


Olarinde, L.O.Manyong, Victor M.Akintola, J.O.[Factors influencing risk aversion among maize farmers in the Northern Guinea Savanna of Nigeria: implications for sustainable crop development programmes]Factors influencing risk aversion among maize farmers in the Northern Guinea Savanna of Nigeria: implications for sustainable crop development programmes

It has been difficult to explain the rotation effect based solely on N availability in maize-soybean cropping systems in the moist savanna zone of sub-Saharan Africa. Although arbuscular mycorrhizal fungi (AMF) can contribute to plant growth by reducing stresses resulting from other nutrient defi...


Sanginga, N.Carsky, R.J.Dashiell, Kenton E.[Arbuscular mycorrhizal fungi (AMF) respond to rhizobial inoculation and cropping systems in farmers fields in the Guinea savanna]Arbuscular mycorrhizal fungi (AMF) respond to rhizobial inoculation and cropping systems in farmers fields in the Guinea savanna

Field trials were conducted in 2005 and 2006 in Tilla (northern Guinea savanna) and Sabon-Gari (Sudan savanna) in northeast Nigeria to determine the performance of two improved cowpea varieties when relay-intercropped with early and late maize, 6 and 8 weeks after planting the maize. Grain yield,...


Kamara, A.Y.Omoigui, L.O.Ewansiha, S.U.Ekeleme, F.Chikoye, D.Ajeigbe, Hakeem A.[Performance of semideterminate and indeterminate cowpeas relaycropped into maize in Northeast Nigeria]Performance of semideterminate and indeterminate cowpeas relaycropped into maize in Northeast Nigeria

Striga hermonthica is a serious threat to cereal production in the savannas of sub-Saharan Africa. Field trials were conducted in Nigeria at Abuja and Mokwa (southern Guinea savanna) in 2005 and 2006, and at Zaria (northern Guinea savanna) and Sabongari (Sudan savanna) in 2006, to evaluate the pe...


Chikoye, D.Fontem, L.A.Menkir, A.[Seed coating herbicide tolerant maize hybrids with imazapyr for Striga hermonthica (Del.) Benth control in the West African savanna]Seed coating herbicide tolerant maize hybrids with imazapyr for Striga hermonthica (Del.) Benth control in the West African savanna

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