After the fruit is harvested, the base fertilizer is applied, and 10 kg of each of the fully-bred chicken manure, cow dung, and sheep manure is applied to each plant, and 60 kg per plant is applied in the fruit-bearing period. The fertilization method uses a ring, a strip, and a hole. Yes.
Organs and pests control organic cultivation, and advocate comprehensive ecological methods to control walnut tree diseases and insect pests. The main methods and measures include trapping technology, release of natural enemies, and agricultural measures.
The trapping technology, the orchard is equipped with a frequency-vibration insecticidal lamp and sweet and sour liquid to trap the pests. The preparation method of sweet and sour liquid is brown sugar, 1 part of white wine, 0.5 part of vinegar, 4 parts of water and 16 parts of water. The brown sugar is opened with boiling water, then vinegar, wine and water are stirred uniformly, and the inlet diameter is about 20 cm in the container for use. During the dry and early rainy season, pay attention to timely remove the insects.
Agricultural measures, combined with orchard cleaning activities for winter shears, cut off pests and diseases, completely remove litter, diseased fruits, weeds, etc., and clean the overwintering eggs on the trunks, branches and treetops to burn or deepen. In combination with the deep-turning of the base fertilizer, the pests that overwinter in the soil are killed.
Organic and biological insecticides for controlling insecticides, including Bacillus thuringiensis Bt, plant-derived insecticides such as pyrethrum, rotenone, fishtail and eucalyptus oil, insect sex pheromones, etc., fungicides with stone sulfur mixture, Bordeaux mixture Wait.
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