长期定位施氮条件下菜田氮素循环的研究

葛晓光;王晓雪;付亚文;刘秀茹;

Studies on Nitrogen Cycle under Experiment of Long term,Fixed Position Nitrogen Application in Ve getable Field

Ge Xiaoguang;Wang Xiaoxue;Fu Yawen;et al.

中国蔬菜 . 1999, (1): 5 -0 .