In the summer, young walnut trees can be used to cover the ground, helping to conserve soil moisture and suppress weed growth. When using grass as a mulch, it's important to monitor the amount of fresh material added after the initial decomposition during the rainy season. After applying the grass cover, many pests that live in the grass should be targeted with spraying to achieve a concentrated pest control effect. In the fall, it's essential to remove fallen leaves and dead branches around the trees. Additionally, any grass-covered areas under the trees should be maintained, and measures should be taken to prevent early leaf drop and diseases like anthracnose.
Intercropping is currently one of the most common and effective agricultural practices. During the summer, it's crucial to leave proper ventilation strips for walnut trees based on intercropping conditions, ensuring that the young trees are not negatively affected. At the same time, it's necessary to address the conflict between water and fertilizer management for both walnut trees and crops. By carefully adjusting the types and amounts of food crops, farmers can achieve a dual harvest of both walnuts and other crops, maximizing land use efficiency and productivity.
Plant extract is a kind of product that takes plant as raw material, uses appropriate solvent or method. According to the use needs of the final product, through physical and chemical extraction and separation process, directional acquisition and concentration of one or more effective components in plants, without changing the structure of its effective components. The product concept of plant extracts is relatively broad. According to the different components of the extracted plants, they form glycosides, acids, polyphenols, polysaccharides, terpenoids, flavonoids, alkaloids, etc.
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