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El frijol (Phaseolus vulgaris L) es originario de América, reconociéndose dos centros de domesticación: Mesoamérica con cultivares de semilla pequeña y la región andina de América del Sur con cultivares de semilla grande. El frijol se cultiva ampliamente en el mundo en una gran diversidad de zona...


Cajiao V., César HernandoKornegay, Julia L.Ramírez, Héctor Fabio[Cruzamientos dentro y entre acervos genéticos y hábitos de crecimiento para incrementar la tolerancia al calor en frijoles andinos volubles]Cruzamientos dentro y entre acervos genéticos y hábitos de crecimiento para incrementar la tolerancia al calor en frijoles andinos volubles
Mmbaga, MTEdje, O.T.[Effects of distance of bean rows from maize rows on yield of both crops grown in association]Effects of distance of bean rows from maize rows on yield of both crops grown in association
Opio, A.F.Teri, J.M.Allen, David J.[Assessment of yield losses caused by common bacterial blight of beans in Uganda]Assessment of yield losses caused by common bacterial blight of beans in Uganda

Achieving sustainable food security in Nigeria is feasible through organic farming. However, unavailability and resource constraints hamper the adoption of agricultural inputs; hence the market offers opportunity for use of purchased organic inputs. In assessing the importance of the market, the ...


Olayide, OAlene, A.Ikpi, ANziguheba, Generose[Manure marketing in the savannas of Nigeria : Implications for sustainable food security]Manure marketing in the savannas of Nigeria : Implications for sustainable food security
Ummenhofer, Caroline C.Xu, HongTwine, Tracy EGirvetz, Evan H.McCarthy, Heather RChhetri, NetraNicholas, Kimberly A.[How climate change affects extremes in maize and wheat yield in two cropping regions]How climate change affects extremes in maize and wheat yield in two cropping regions
Vitousek, P.M.Naylor, RLCrews, TDavid, M.B.Drinkwater, L.E.Holland, EJohnes, PJKatzenberger, JMartinelli, LAMatson, PANziguheba, GeneroseOjima, DSPalm, C.A.Robertson, GPSánchez, P.A.Townsend, ARZhang, FS[Nutrient Imbalances in agricultural development]Nutrient Imbalances in agricultural development

Potential N (SN) and P (SP) supplies, N and P utilization efficiencies and fertilizer recovery rates for the northern Guinea Savanna (NGS) agro-ecological zone of Nigeria were derived from data collected on farmers fields, and used as input in the QUantitative Evaluation of the Fertility of Trop...


Tabi, FODiels, J.Ogunkunle, AOIwuafor, E.N.O.Vanlauwe, BernardSanginga, Nteranya[Potential nutrient supply, nutrient utilization efficiencies, fertilizer recovery rates and maize yield in northern Nigeria]Potential nutrient supply, nutrient utilization efficiencies, fertilizer recovery rates and maize yield in northern Nigeria

Monoculture of irrigated rice (Oryza sativa L.) in Latin America has led to serious weed problems and intensive herbicide use. Yield loss prediction enables the economic analysis of weed control, providing a basis for strategic use of herbicides and diversified weed management, but site differenc...


Flórez, J.A.Fischer, Albert J.Ramírez, Héctor V.Duque E., Myriam Cristina[Predicting rice yield losses caused by multispecies weed competition]Predicting rice yield losses caused by multispecies weed competition

Commercial cassava production from true cassava seeds (TCS) appears to be a promising option for reducing or eliminating several of the production constraints associated with vegetative propagation. The most important contribution of TCS would be to reduce virus build-up in vegetative material an...


Iglesias, C.A.Hershey, Clair H.Calle, FBolaños, A.[Propagating cassava (Manihot esculenta) by sexual seed]Propagating cassava (Manihot esculenta) by sexual seed

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