It is a short sunshine and temperature loving crop. It is required that the growth temperature is 25 ℃, the frost free period is more than 150 days, and the precipitation during the growth period is about 500mm. Suitable for sandy loam with deep soil layer. It is a stable crop in waterlogged areas. The sunshine duration was prolonged during the growth period, which was conducive to vegetative growth; Shortening light can promote reproductive growth. Therefore, it can breed late maturing seeds in low latitude areas and plant hemp in high latitude areas.
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