不同叶龄蘖、穗氮肥组合对粳稻产量及氮素利用的影响

王艳,易军,高继平,张丽娜,杨继芬,赵艳泽,辛威,甄晓溪,张文忠

Effects of precision leaf age fertilization on yield and nitrogen utilization of japonica rice

Yan WANG,Jun YI,Ji-Ping GAO,Li-Na ZHANG,Ji-Fen YANG,Yan-Ze ZHAO,Wei XIN,Xiao-Xi ZHEN,Wen-Zhong ZHANG

表2 基蘖肥与穗肥施用分配(施氮总量225 kg hm-2)

Table 2 Ratio and applied amount of base tillering fertilizer and panicle fertilizer (total N 225 kg hm-2) (kg hm-2)

基蘖肥:穗肥 B:P 基肥 Basal fertilizer 蘖肥 Tillering fertilizer 基肥+蘖肥 Basal fertilizer and tillering fertilizer 穗肥 Panicle fertilizer 8:2 108 72 180 45 6:4 81 54 135 90