Producing more food for a growing population in the coming decades, while at the same
time combating poverty and hunger, is a huge challenge facing African agriculture. The risks …

The economic and environmental costs of the heavy use of chemical N fertilizers in
agriculture are a global concern. Sustainability considerations mandate that alternatives to N …

The Millennium Development Goals (MDGs) of the United Nations (UN) are at the heart of
the global development agenda. This chapter examines the role of agroforestry research and …

The capture and utilization of water by sole and intercrops are compared by decomposing
crop production/unit area into uptake/unit area (capture) and production/unit uptake (utilization …

The ability of rice plants to tolerate drought stresses is associated with root system characters.
However, the genetics of root traits are not well understood. Hence, the inheritance of six …

The rehabilitation or intensified use of Imperata grasslands will require a much better
understanding of their area, distribution, and characteristics. We generated estimates of the area of …

The capture and utilization of P and K, two non-mobile soil resources, were examined by
decomposing crop production/unit area into uptake/unit area (capture) and production/unit …

Twenty‐five upland rice (Oryza sativa L.) cultivars were evaluated in 2 yr of field experiments
in the Philippines. The research was conducted with low and moderate levels of …

Water deficits result in large yield reductions on the one-half of the world's rice land that is
rainfed. The most severe water deficits tend to occur during the reproductive stage. Field …

This paper reviews recent efforts to define and classify the major ecosystems within the
rainfed lowlands for practical use in rice research and development. The recent international …