Second, the appropriate sowing: high ridge before sowing, ridge width 30 cm, height 15 cm, groove width 20 cm. When the seedlings appear in two true leaves, the seedlings should be carried out. When the seedlings are in the seedlings, pay attention to the weak and strong, and keep 2 to 3 strains per hole, and 4 to 5 leaves of the seedlings.
Third, pest control: the root mites can be used to kill the roots with 90% crystal trichlorfon 500 times liquid; rapeseed meal, cabbage caterpillar can be controlled with 50% phoxim emulsifiable concentrate 1000 times liquid; Wettable powder 2000 times liquid control.
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