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油菜芯种植方法
更新时间: 2020-07-05 00:00:00  

1、增施磷、播种后,施钾肥:磷能促进油菜根系发育,增强抗性;钾能提高油菜抗寒、抗病、抗倒能力。

2、培土盖肥:在日平均气温为0℃时,在油菜行间培土和覆盖土杂肥,大苗培根,壮苗培心,小苗盖根。

3、灌水防冻:油菜田在寒流来临前灌1次水,可稳定地温,供给油菜越冬期间的水分,有效地防止干冻;冻后灌水,应在晴天中午进行,以使受冻突起的表土层沉实下去,确保油菜根部与土壤紧密接触。

4、盖草保护:冻害来临

关键词: 油菜 种植 方法

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