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氮肥不同基肥、追肥比例对小白菜硝酸盐含量及氮肥利用率的影响
耿建梅 王文斌 陈丽珍 汪吉东
Effects of Different Ratios of Base N to Dress Fertilizer on Nitrate Content in Chinese Cabbage and the N Use Efficiency
Geng Jianmei Wang Wenbin Chen tighen Wang Jidong
热带作物学报 . 2004, (1): 64 -67 .