1, Spring sowing should be appropriate, not too early, generally in late March; try to use plastic small arch shed cultivation; the use of 2 years of seed; seed collection technology should be strict. Convulsions should be removed early.
2, the use of fresh, full of seeds; selection of sandy soil land, intensive cultivation; appropriate fertilization, organic fertilizer should be cooked; timely control of underground pests. Spraying without deep ploughing before sowing will loosen and loosen the 50 cm deep soil, ensuring smooth growth of the fleshy root and reducing the fork and bend. Water evenly; timely harvest.
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