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冬季栽培西红柿的最低温度是多少
更新时间: 2020-10-04 00:00:00  

西红柿营养生长适宜的温度为20至25℃。温度过高易使幼苗徒长,温度超过35℃,植株生长停滞;在幼苗期,西红柿可耐长时间的6至7℃低温,短时间的0至3℃的低温。所以冬季栽培西红柿的最低温度尽量不要低于7度。西红柿冬季保护地栽培应注意:1、低温高湿,容易产生病害,应注意保温,通风排湿;2、保护地内,通风条件差,受粉不好,做好人工授粉;3、尽量增加光照时间,增加光合产物;4、及时除去下部的老叶,可增加光照通透和空气流通。

关键词: 冬季 栽培 西红柿 最低 温度 多少

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