Buscar
Mostrando ítems 171-174 de 174
Article
Factors contributing to maize and bean yield gaps in Central America vary with site and agroecological conditions
(Cambridge University Press, 2019)
In Central America, population and food demands are rising rapidly, while yields of staple crops, maize and beans, remain low. To identify the main factors limiting production, field trials were established in six maize- ...
Article
Agronomic, economic, and environmental performance of nitrogen rates and source in Bangladesh's coastal rice agroecosystems
(Elsevier, 2019)
Farmers in low-elevation coastal zones in South Asia face numerous food security and environmental sustainability challenges. This study evaluated the effects of nitrogen (N) rate and source on the agronomic, economic, and ...
Article
Maize crop nutrient input requirements for food security in sub-Saharan Africa
(Elsevier, 2019)
Nutrient limitation is a major constraint in crop production in sub-Saharan Africa (SSA). Here, we propose a generic and simple equilibrium model to estimate minimum input requirements of nitrogen, phosphorus and potassium ...
Article
Understanding the factors influencing fall armyworm (Spodoptera frugiperda J.E. Smith) damage in African smallholder maize fields and quantifying its impact on yield. A case study in Eastern Zimbabwe
(Elsevier, 2019)
Fall armyworm (FAW, Spodoptera frugiperda J.E. Smith) is an invasive lepidopteran pest established in most of subSaharan Africa since 2016. Although the immediate reaction of governments has been to invest in chemical ...