Soil management
Tree management. 1 tree tray farming. Generally, the tree tray is turned deep in early spring or late autumn, and its range is the same as that of the crown. The method is to use a planer or a shovel to deepen the depth of 20 to 30 cm. 2 tree tray covered with grass. Orchard grass is a water conservation and water saving measure that can be carried out all year round, but it is better in summer. After the grass is covered, many pests inhabit the grass, and should pay attention to spraying on the grass to play a concentrated trapping effect.
Tree row management 1 tree row farming. During the growing period, the ploughed orchard is ploughed 2 to 3 times in the tree with animal power or machinery, and the depth is 15-20 cm. 2 Weeding gardens can be combined with the management of intercropping crops. Non-intercropping walnut gardens can be used 3-4 times a year according to the occurrence of weeds, in accordance with the principles of weeding, small removal, and removal, using artificial or mechanical weeding. The straw covered after the crop is harvested can also effectively inhibit the growth of weeds and help the soil to moisturize.
Reasonable intercropping. Summer and autumn management should fully reserve walnut ventilation belt according to the intercropping situation, solve the contradiction between water and fertilizer management of walnut trees and crops, and choose one-year dwarf crops or medicinal materials with high economic benefits without affecting the normal growth results of walnut trees. Crop intercropping to increase the early benefits of walnut young plants.
Fertilization management
top dressing. After the top dressing is applied to the soil, the fertilizer can be exerted in a short time. The newly planted and early-stage walnut trees are applied when the new shoots are 15 cm long. Generally, 100 g of urea and 50 g of compound fertilizer are applied. The mature walnut tree is divided into two times. The first top dressing, the early real walnuts were carried out before flowering; the late real walnuts were carried out in the early stage of leaf development. The fertilizers used are mainly available nitrogen fertilizers, such as urea. The second top dressing, the early real walnuts were carried out in the middle of June in the fruit development, and the late real walnuts were carried out in the middle of June.
Foliar spray fertilizer. During the growing period of the walnut, the urea 300 times solution is sprayed once every 15 days, which has the effect of promoting the growth of new shoots and increasing the greening and thickening of the leaves. Top dressing and foliar spray can be carried out simultaneously or alternately.
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