秸秆还田条件下长效氮肥与普通化肥对水稻肥效的对比研究
宋 科1,2,3,郑宪清2,袁伟4,姚 政1,2,徐四新1,杨建军1*
Comparative study on rice fertilizer efficiency of long-lasting nitrogen fertilizer and traditional fertilizer under returning straw to field
. 2014, (4): 16 -21 .