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1 施肥播种前:在施足农家肥的情况下,施碳铵450kg/hm~2和磷酸二铵300kg/hm~2磷酸二铵作底肥。拔节期:施碳铵750kg/hm~2。大喇叭口期:施碳铵900kg/hm~2。抽雄期根据地力酌情补施尿素150～225kg/hm~2。2 地膜覆盖做好地膜覆盖工作要注意三点:
A fertilization before sowing: In the case of adequate foot manure, the application of ammonium bicarbonate 450kg / hm ~ 2 and diammonium phosphate 300kg / hm ~ 2 diammonium phosphate. Jointing stage: apply ammonium 750kg / hm ~ 2. Large bell mouth period: Shi ammonium bicarbonate 900kg / hm ~ 2. Ascension according to the soil as appropriate, supplemented urea 150 ~ 225kg / hm ~ 2.2 mulching do a good job of mulching to pay attention to three points: