黄淮海东部冬小麦一次性施肥的产量效应

谭德水, 林海涛, 朱国梁, 李子双, 郭清福, 吴小宾, 刘兆辉

Effect of One-off Fertilization on Winter Wheat Yield in Huang-Huai-Hai East Region

DeShui TAN, HaiTao LIN, GuoLiang ZHU, ZiShuang LI, QingFu GUO, XiaoBin WU, ZhaoHui LIU

表2 不同施肥处理成本收益分析

Table 2 Analysis to cost and benefit of different fertilization treatment

处理 Treatment 产值 Production income (yuan/hm2) 追肥劳动力成本 Labor cost (yuan/hm2） 氮肥成本 N cost (yuan/hm2) 收益 Benefit (yuan/hm2) 较FP增收 Income of increasing (yuan/hm2) FP 15072.7 450 927.5 6695.3 - OPT 15322.5 450 870 7002.5 457.2 CRFa 15703.3 - 1157 7546.3 1001 80%CRFa 15077.9 - 925.1 7152.8 607.5 80%CRFb 14937.1 - 1083.4 6853.7 308.4