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夏花生重施前茬肥比重施后茬肥增产十分显著。即在冬小麦、夏玉米和夏花生两年四茬作物,施肥总量相同的条件下,常规施肥的冬小麦、夏玉米和夏花生,比重施后茬花生肥的分别增产8.00%、6.49%和10.48%;重施前茬粮食肥的比重施后茬花生肥的依次增产19.47%、25.04%和18.76%。粮食和花生混合总产,常规施肥和重施前茬肥,分别比重施后茬肥增产8.18%和18.63%;纯增效益分别增加8.62%和20.18%。
Summer peanut reapplication before stubble fertilizer stubble stubble fertilizer yield is very significant. That is, the winter wheat, summer corn and summer peanut, which were fertilized normally, increased by 8.00%, 6.49% and 10.48% respectively under the same peanut manure application under the same total amount of winter wheat, summer maize and summer peanut, %; The proportion of pre-reaping grain fertilizer increased by 19.47%, 25.04% and 18.76% after peanut manure application. The total yield of grain and peanut mixed, conventional fertilization and re-application of stubble before stubble fertilization increased 8.18% and 18.63%, respectively, and the net profit increased by 8.62% and 20.18% respectively.