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種植油菜花需要注意排水還是催熟 油菜花在種植時需要注意排水還是催熟

種植油菜花需要注意排水,油菜花在生長期需要大量的水,但是如果澆水過多,造成積水,會導(dǎo)致其爛根,尤其是在播種之后,如果降雨過多,要及時排水,防止種子缺氧而死。種植油菜花時還需注意及時清理雜草,地塊上的雜草中會潛藏很多過冬的病菌和蟲卵、害蟲,如果不及時清理,會導(dǎo)致油菜花滋生各種病蟲害,從而降低產(chǎn)量。

  油菜花的生長習(xí)性

  溫度:油菜花喜溫暖,較耐寒,春節(jié)期間溫度很低,如果是北方地區(qū)種植的話最好是在種植完成之后用地膜覆蓋進行保溫,避免長時間低溫凍傷。

  施肥:油菜花除了種前用于土壤的基肥外,整個生育期還需要施肥3~4次,施肥時要注意不要讓肥料直接接觸到植株,否則就會燒掉植株。

  光照:油菜花是喜光作物,對光的需求非常高,因此可以接受全天的日照,夏季光照強烈時,可適當(dāng)進行遮陰,避免被曬傷。

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