When winter rapeseed enters the wintering period, it is necessary to do a good job of field management, do a good job of freezing and keeping warm, shifting thick and thin, transplanting thin seedlings, promote the normal growth of rape, accumulate more stored nutrients, ensure the whole seedlings, strong seedlings, safe winter. 1, make a good winter fertilizer. Before the arrival of severe cold, applying wax fertilizer and increasing phosphorus and potash fertilizers can enhance the cold-resistance ability of rape, on the other hand, it can provide nutrients for overwintering and bolting and flowering to ensure balanced growth in the later period. Application of 1200-1500 kg of soil-fertilizer per acre, combined with 10-12 kg of Shi Sanyuan compound fertilizer, can also be sprayed with antifreeze, which can significantly improve the ability of rape cold resistance. 2, cover freezing injury. Before the onset of frost damage, a layer of thatch or straw straw or rapeseed cultivating and composting between soils of rapeseeds should be used to cover the rows of rapeseed. The young plants should be rooted, strong seedlings cultivated, the seedlings cover roots, and the roots should be thickened. It has a certain effect on blocking the cold wind and improving the ability to absorb heat and cold. 3, timely pest control. In autumn and winter, rapeseed fields, cabbage caterpillars, rapeseed meal, and fleas are susceptible to insecticides or beta-cypermethrin. 4, Qinggou prevent waterlogging. Every time the cultivator clears the three ditch, especially the field of rapeseed field is high in humidity, diligently clean up the three ditch to ensure that the ditch can communicate with each other and the drainage is smooth. It is necessary to pay attention to clearing the water in the fields in time after the rain and snow, and to reach the rain. Lysine Aspirin,Indomethacin Capsules,Analgesic & Antipyretic,Diclofenac Injection Uses NINGBO VOICE BIOCHEMIC CO. LTD , https://www.pharma-voice.com