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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 Res...


Suzuki, K.Matsunaga, R.Hayashi, K.Matsumoto, N.Tobita, S.Bationo, B. AndréOkada, K.[Effects of long-term application of mineral and organic fertilizers on dynamics of nitrogen pools in the sandy soil of the Sahel region, Niger]Effects of long-term application of mineral and organic fertilizers on dynamics of nitrogen pools in the sandy soil of the Sahel region, Niger

In the Fakara region of the Sahel zone, Niger, West Africa, farmers have been implementing traditional soil man-agement practices such as the application of dry farmyard manure (FYM) and household waste (HHW), livestockcorralling, and fallows. Previousstudies, however, have not accumulatedenough ...


Suzuki, K.Matsunaga, R.Hayashi, K.Matsumoto, N.Tabo, RamadjitaTobita, S.Okada, K.[Effects of traditional soil management practices on the nutrient status in Sahelian sandy soils of Niger, West Africa]Effects of traditional soil management practices on the nutrient status in Sahelian sandy soils of Niger, West Africa

To determine the efficiency of utilization of organic matter in agricultural production, nitrogen flow was estimated within a village-farm model in the west of Niger, West Africa. Nitrogen was focused on in this study as it is known to be a major nutrient component of organic matter and one of th...


Hayashi, K.Matsumoto, N.Hayashi, E.Abdoulaye, TahirouShinjo, H.Tabo, RamadjitaMatsunaga, R.Tobita, S.[Estimation of nitrogen flow within a villagefarm model in Fakara region in Niger, Sahelian zone of West Africa]Estimation of nitrogen flow within a villagefarm model in Fakara region in Niger, Sahelian zone of West Africa

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