EFFECT OF NITROGEN AND PHOSPHORUS LEVEL AND SOWING DATE ON DYNAMIC CHANGE IN GRAIN FALLING NUMBER IN SPRING WHEAT IN GRAIN FILLING

ZHAO Xiu-Lan, LI Wen-Xiong
2006 Chinese Journal of Plant Ecology  
doi:10.17521/cjpe.2006.0046 fatcat:t6ueojtfmff7npynsqehqtvn2m