长期定位施用氮肥对蔬菜产量的影响（一）

葛晓光;王晓雪;刘秀茹;付亚文;

Effect of Long-term, Fixed Position Nitrogen Application on Yield Performance in Vegetable Field

Ge Xiaoguang;Wang Xiaoxue;Liu Xiuru et al.

中国蔬菜 . 1996, (5): 1 -0 .