Effects of Different Proportion and Stage of Nitrogen Application on Nitrogen Utilization in Winter Wheat
ZHAO Guangcai, LI Chunxi, ZHANG Baoming, WANG Chongyi
ACTA AGRICULTURAE BOREALI-SINICA . 2000, (3): 99 -102 .  DOI: 10.3321/j.issn:1000-7091.2000.03.020