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As winter temperatures continue to drop, the normal growth and development of mulberry trees ceases. Nowadays, we must do a good job in the winter management of mulberry fields to ensure the high quality and high yield of mulberry leaves in the coming year. After the mulberry defoliation till the winter tillage, the branches are tied together with straw to facilitate not only the fertilization, winter plowing and other field operations, but also can correct the posture of the branches, induce the pests to infiltrate the straw through the winter, and facilitate the killing. Before the mulberry sprouts in March of the following year and after the end of the spring mulberry field operations, the straw was removed and burned to prevent the spread of pests and diseases. Remove the dead branches, fallen leaves, weeds and weeds on the roadsides in the mulberry fields. After the completion of the Qingyuan Garden, Shi Dong Fei was started from late November to early December. The winter fertilizer is preferably made of organic fertilizer, and 20 lbs of pigs, cattle and sheep droppings are used per acre to combine the winter plough to transfer the manure into the soil. Winter ploughing is generally carried out before the soil is frozen. The depth of ploughing is about 20 cm. The depth of the mulching should be appropriate. The mulberry plant should be shallow, and the rough roots should not be broken. Heavy shearing is generally performed in mid-December. After heavy cutting, the mulberry leaf can not only increase the production by about 10% in the following year, but also remove about 60% of the overwintering eggs of the mating leafhopper and the source of diseases and insects of wild silkworm eggs, mulberry eggs and bacterial diseases. After heavy shearing, the pruning will be timely and repaired. The dead tree, dead branches, diseases and insect pests, and small invalid branches can be removed by sawing. The dead punches and dead branches cut out must be burned. Combine pruning and trimming with lime, yellow mud, etc. into a paste to block the seams, holes, and holes in the mulberry tree and eliminate the pests that inhabit it during the winter.