It is advisable to open 13 cm to 17 cm deep trench soil on the field ridges about a week before planting to increase the temperature of the ground. When planting, do not injure the roots, injured buds, or injured seedlings. It is best to have bottom water to ensure the survival rate of transplanting seedlings and transplanting of large buds. The thickness of the cover soil is about 3 cm, and the flood irrigation and overburdening are too thick. The cultivation of the broods should be carried out in an appropriate late harvest. During the prosperous period of tuber enlargement, the demand for water supply must be guaranteed and the rate of large potatoes can be increased.
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