Potatoes: Potatoes that have emerged should be covered with straw or film, smoked tobacco and other methods to keep warm, and timely removal of frozen foliage; already planted spring potatoes should pay attention to dredging drainage of rain and snow from the field drains; at the same time, straw should be used to cover, Measures such as storage of hothouses prevent freezing of seed potatoes.
Rapeseed: To remove the frostbite and leaves that become dry and white in time, apply topdressing nitrogen fertilizer to rape that suffers from freezing injury and poor growth, and topdressing potassium fertilizer appropriately to enhance frost resistance. At the same time, it can also protect against freezing by covering a suitable amount of straw, chaff, followed by thermal fertilizers such as ash.
Wheat: The rice-barley fields with poor early ditching should be drained in a timely manner to prevent waterlogging; the fertilized materials in the frozen wheat fields should be chased to promote the occurrence of tillering and the emergence of small panicles.
Vegetables: It is necessary to timely reinforce the greenhouse facilities to keep the shed membrane intact, cover the straw mulch at night, use dampening agents to reduce humidity, and apply organic fertilizers to keep warm and prevent freezing. Where conditions permit, electric hotbeds should be used to cultivate early spring vegetables and strong seedlings.
Fruit trees: Fruit trees, such as citrus trees, which are kept fresh and leave trees, should be covered with film cover, cover, smoke and earth, etc. to prevent cold and warm, and to prevent frost damage.
Tea: Early application of basal fertilization, timely drainage, drainage, warming, tea plantation, film covering, timely trimming, etc.
At the same time, it is necessary to closely monitor the occurrence of pests and diseases in crops such as rapeseeds, wheat, and vegetables, and strengthen the prevention and control of post-disaster pests and diseases.
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