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This paper describes the importance of biological nitrogen fixation (BNF) by legumeRhizobium symbiosis to tropical agriculture, the evolution of BNF paradigms, creation of strategic alliances to combat soil fertility degradation, and accomplishments of collaborative BNF-related research at CIAT-T...
The Quesungual Slash and Mulch Agroforestry System (QSMAS) is a smallholder production system with a group of technologies for the sustainable management of water, soil and nutrient resources in drought‐ prone areas of hillside agroecosystems of the sub‐humid tropics. QSMAS integrates local an...
Nitrification, a step in nitrogen (N) cycle, results in gaseous N emissions and NO3- leaching. In most natural ecosystems, where nitrification is reduced to a minor flux, do not leak N. In contrast, modern agricultural systems are characterized by unrestricted rapid nitrification, resulting in th...
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