Characteristics of Dry Matter,Accumulation and Distribution of N and P of Spring Maize in Dense Conditions
ZHANG Xiaojuan, ZHENG Minna, GUO Fengqin
ACTA AGRICULTURAE BOREALI-SINICA . 2016, (6): 192 -198 .  DOI: 10.7668/hbnxb.2016.06.030