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辣椒开花期上午打药还是下午打药
更新时间: 2020-06-29 00:00:00  

辣椒开花坐果期容易发生青枯病、脐腐病等病害,病害需要提前预防,同时控制土壤湿度。开花坐果期营养消耗非常大,要促进开花,提高坐果率,同时促进辣椒膨大,要多补充磷、钾、钙、硼、锌等中微量元素,磷钾利于果实发育及膨大,钙提高辣椒硬度,减少脐腐病,促进根系发育。

辣椒开花期打药尽量应避开晴天,避免在上午10点至下午4点这段时间,如果是晴天,这段时间打药后,药水会被大量蒸发,从而降低药效。

关键词: 辣椒 开花期 上午 打药 还是 下午

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