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Our study on soil N dynamics was conducted in the rainy season of 2005 and 2006. It focused on the effects of soil managements with sole and combined applications of mineral and organic fertilizers in the long-term experiment conducted since 1993 in the Niamey Center of the International Crop Research Institute for the Semi-Arid Tropics, Niger. Treatments were established with each three input levels...
In the Fakara region of the Sahel zone, Niger, West Africa, farmers have been implementing traditional soil management practices such as the application of dry farmyard manure (FYM) and household waste (HHW), livestock corralling, and fallows. Previous studies, however, have not accumulated enough data on the effects of these practices on the soil nitrogen (N) pool in the Sahelian sandy soils.The...
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