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紫薯种植周期
更新时间: 2020-07-06 00:00:00  

紫薯为季收产物,4个月即可成熟。紫薯又叫黑薯,薯肉呈紫色至深紫色。它除了具有普通红薯的营养成分外,还富含硒元素和花青素。紫薯为花青素的主要原料之一。紫薯喜温暖气候环境,茎叶适宜生长温度为18到25摄氏度,温度低于15摄氏度时停止生长。块根最适生长地温为22到24摄氏度,地温低于20摄氏度时停止膨大。作种紫番薯要求在10月中、下旬收获,对鲜食型紫番薯延迟到11月上旬,必须在打霜前一定收完。

关键词: 种植 周期

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