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棉花施肥误区,要避开!
Posttime:2016-12-30 Visits:
27
核心tips: 棉花施肥与其他作物不同,它要求次数多,数量适宜,时间准确,但由于棉农掌握的施肥技术不成熟,在施肥过程中存在一些误区或
棉花施肥与其他作物不同,它要求次数多,数量适宜,时间准确,但由于棉农掌握的施肥技术不成熟,在施肥过程中存在一些误区或施肥不当,常常造成棉花肥害,导致棉花产量降低,以下是棉农在施肥过程中存在的四大误区,希望人们走出施肥误区,保证高质量施肥。
一是偏施化肥,其中有棉农只施了化肥而没有施有机肥。
二是仅施了低含量的单质氮肥,如一户棉农底肥中仅施了1400公斤碳铵,而没有配施磷钾肥。
三是复合肥中钾的含量不足,因为抗虫棉一般要比常规棉钾肥用量多6成到1倍。
四是施了生物有机复合肥的农户,没有配施速效氮肥。
下一篇:
棉花怎么管理可以提高产量?
上一篇:
冬小麦田自生玉米苗的发生与防控
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