One is to fertilize the land. Generally, more than 4000 kg of organic fertilizer is applied per mu, 25 kg of diammonium phosphate or 50 kg of compound fertilizer. Deep tillage and flattening, the width is 100 cm, the height is 15 cm, and the distance is 50 cm.
The second is to plant at the right time. Generally, live broadcast is carried out in the middle and late March, and each row is 2 to 3 rows. The hole is burrowed inside, the hole is 15 cm apart, and 3 to 4 seeds are seeded per hole. After sowing, the soil is covered with mulch. When the seedlings are unearthed, it is necessary to break the membrane in time to prevent high temperature burns. When 3 to 4 true leaves are used, the seedlings should be once, and 5 to 6 true leaves should be fixed. Water is poured every 5 days at the beginning of the ball, and 20 kg of ammonium sulfate and 20 kg of potassium sulfate are applied 2 to 3 times per mu, and then fertilized with potassium dihydrogen phosphate for 3 to 4 times.
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