机译:稻麦轮作体系中施氮方式对养分吸收,作物产量和土壤生物学特性的田间研究。
College of Resource and Environment Huazhong Agricultural University Wuhan 430070 PR. China;
Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences. Beijing 100081 P.R.China;
Institute of Plant Protection and Soil Fertilizer Hubei Academy of Agricultural Sciences Wuhan 430064 P.R. China;