Removal of nitrogen, phosphorus and potassium by rice-wheat double cropping system as affected by duration of rice variety, methods of planting rice and levels and sources of nitrogen
作者
M. Prasad,Rajendra Prasad
出处
期刊:Plant and Soil [Springer Science+Business Media] 日期:1983-06-01卷期号:70 (2): 287-295被引量:13