Strengthening the winter management of mulberry fields will not only help the branches safely overwinter, increase tree vigor, but also improve the mulberry soil properties, effectively control overwintering pests and pathogens, and increase the yield and quality of mulberry leaves in the coming spring. It mainly includes soil management and mulberry management. Green manure is used for soil management. The winter green manure that should be planted includes broad beans, peas, sorghum, and milk vetch. The green manure should be sowed early to help deepen the root system before the winter, early springtime, and increase the yield. Harvesting of green manure should be carried out during the spring season. Vicia faba should be carried out during the initial stage of pod dressing and be buried after harvest. Winter tillage fertilization. Winter ploughing should be carried out after the mulberry defoliation and before the soil is frozen, about 20 cm deep. Should be deep between the rows, near the mulberry should be shallow; clay should be deep, sandy soil should be shallow. The clod up is naturally weathered. In combination with winter plowing, we can also eliminate overwintering weeds in mulberry gardens to reduce the source of diseases and insects, and at the same time we need to clear the ditch and remove moisture, so as to prevent the mulberry fields from being flooded. The mulberry garden winter fertilizer is applied after mulberry defoliation, combined with winter plowing. Late-stage organic fertilizers such as compost, manure, cake, river mud, pond mud, etc. were buried in the soil and applied at 2,500 kg per acre. Too much lime in the acidic soil, usually 25 to 50 kilograms per mu. Mulberry management replants missing plants. Replanting should be done before the soil is frozen. The use of thick, high quality grafted seedlings is best to use 2 to 3 year old saplings to fill the gaps. When planting, apply base fertilizer to ensure quality. Pruning shears. The mulberry dormancy period (mid-December) is carried out. The pruning is sawing cuts to the mulberry dead fist, stubble, pests and branches and small invalid branches. Generally, each branch should have 3 to 4 branches in order to maintain a proper spatial orientation and ventilation. The dead punches and dry piles that were cut off must be transported to Mulberry Park and burned before the spring season to prevent the spread of diseases and insects. Scissors generally use horizontal shearing methods. Two-fifths of a cut is more than 1.5 meters long, and one-fifth of a cut is less than one-half a meter long, and the unpolished portion is not cut to the horizontal height. On the 1.2 to 1.3 meters plane. After the pruning, the whole garden is coated with white sticks of lime slurry to prevent pests and freeze. Pest control. The dried mulberry leaves that have fallen and the remaining mulberry leaves on the trees are cleaned together with the weeds and burned. Bamboo leaves were then used to scrape off the mulberries, wild egg mass, and plaster disease. For mulberry larvae parasitizing in the trunk, 80% of the dichlorvos emulsion can be diluted with bamboo sticks and injected into the defecation hole or injected with kerosene.
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Winter fine tuber mulberry mulberry high yield in the coming year
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