@ARTICLE {HAYASHI:2012, title = {Estimation of nitrogen flow within a village-farm model in Fakara region in Niger, Sahelian zone of West Africa}, author = {Hayashi, K. and Matsumoto, N. and Hayashi, E. and Abdoulaye, T. and Shinjo, H. and Tabo, R. and Matsunaga, R. and Tobita, S. }, journal = {Nutrient Cycling in Agroecosystems}, year = {2012}, volume = {92}, number = {3}, pages = {289--304}, issn = {1385-1314}, doi = {10.1007/s10705-012-9490-4}, }