Technology management 1 twice topping the heart for the first time in the spring silkworm 3 instar, so that the combination of light and heavy topping. The growth buds were excised from the head of the mouth as light pick, suitable for the leaves after 10-15 days of picking; the heads of the mouth were removed, together with 1 to 2 leaves were removed as heavy picks, suitable for After picking the heart, leaves are used for 7 to 10 days; the second topping is performed in late September, and only the barnacles that have not stopped growing can be removed. 2 twice cover the grass for the first time in late March to cover the grass, after the summer fell into the upper secondary; after the second wheat harvest, the early winter into the soil. The method is: First graze the grass and then spread the grass, and then fight the mulberry trees, fight drugs, and remove insects, each time about 750 kg of straw used per acre. 3 Twice for the first time After the summer harvest, combined with the first summer fertilization, the depth is 10-15 cm; the second time in the freezing period, the depth of cultivation is about 20 cm.

Fertilizer and Water Management 1 Foot Fertilizer Application At least 67 kg of pure nitrogen, 25 kg of pure phosphorus, 37 kg of pure potassium, 5:2:3 ratio of nitrogen, phosphorus, and potassium; 8 injections in spring, ie 2 springs 3 times in summer, 2 times in autumn, and once in winter; if it is to maintain good soil quality and implement measures such as cover grass, it can be applied 2 or 3 times a year; spring fertilizer is applied in early April, accounting for the whole year 35% of summer fertilizer is applied in mid-July, accounting for 35% of the whole year. Autumn fertilizer is applied in late August, accounting for 30% of the whole year; in the period of drought and the slow growing period after cutting, the foliar spraying is required. 2 to 3 times. 2 Spring and autumn Qin irrigation before spring sprouting, each irrigation after opening the leaves, spring irrigation 2 to 3 times, summer and autumn when the drought 7 to 10 days irrigation 1 time; each irrigation water per acre 45,000 to 50,000 kg, the combination of fertilizer and water, Promote the fertilizer with water, timely play fertilizer and water efficiency.

Prevention of pests and diseases between mulberry and garden spinach to reduce the risk of frost damage and food bud pests; before and after germination, artificial capture and drug combination to prevent food-feeding pests; timely fight drugs after summer-cutting, prevention and treatment of summer and autumn pests; deciduous prodrugs to kill pre-winter pests After defoliation, clean the mulberry garden, pruning stub branches, pests and branches, and clearing pests and wintering sites.

The harvested spring leaves of the mulberry leaves are harvested in the same way; the summer leaf harvest is divided into the sparse buds and the picking leaves, that is, until mid-July and later, when the summer silkworms use a large number of leaves to spawn buds. The method is as follows: only the stop strips and the lying strips are dredged and fed on the silkworms, and the leaves are collected from the bottom up, and the length is 2/5 of the strip length; the mid-autumn and late autumn harvest leaves are the same as the conventional ones.

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