Before planting, fertilize the whole land, apply 3000 kg of fully-fertilized farmyard manure per acre, and then plow the soil finely. The seeding is mostly carried out by using a strip, and the ditch is ditched in a row with a line spacing of 15-20 cm. The ditch is about 2 cm deep. Sowing in the ditch, sowing should be uniform. After sowing, gently sweep the seed sowed into the ditch with a broom. Then flatten it, and finally use the foot to step over and then water, spray a new high-fat film 800 times liquid to keep warm, prevent soil stagnation and increase the emergence rate.
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