00864nam a2200193Ia 4500 CTU_225669 210402s9999 xx 000 0 und d 630 E92/No.65 Evaluation and development of methods for sustainable agriculture and environmental conservation in China Edited by Y. Hosen Japan JIRCAS 2010 Contents: Cycles of major elements in agro-ecosystems in Huan-Huai-Hai plain and their controls, evaluation of nitrogen losses in agro-ecosystems in Jing-Jin-Tang region, evaluation of the environmental impact of non-point sources in Taihu catchments,... Agriculture,Nông nghiệp Environmental aspects,Khía cạnh môi trường nthai Trung tâm Học liệu Trường Đại học Cần Thơ