Good soil conditions are the basis for high quality and high yield of fruit trees. Here are a few ways to improve the soil of the orchard:
The soil with bad traits in the guest soil has low nutrient content, and the water, gas and heat conditions are not coordinated, and the soil biological condition is poor. In order to provide good soil conditions for fruit trees, especially young fruit trees, light and fertile ploughed soil can be used, and then 1/3-1/2 of decomposed chicken manure, pig manure or cow dung is mixed, and fully mixed. Make a backfill of nutritious soil. In this way, the soil will become rich in nutrients, good physical properties, and improved biological activity, which is conducive to the survival and growth of young trees. The guest soil has the effect of salt separation and buffer salt alkali damage on saline soil.
Covering 3-5 cm of stalks of wheat straw, wheat bran or broken corn stalks around the tree in Spring and autumn, it can play a role in salt suppression, water retention and flat temperature. After the straw is ploughed and transformed, it can be converted into soil organic matter, releasing nitrogen, phosphorus, potassium, zinc, iron and other elements, which can reduce soil bulk density, increase soil porosity, improve soil aeration, and facilitate soil biological growth and development. It is best to cover the mulch to make full use of its advantages.
Adding organic fertilizers Organic fertilizers are comprehensive in nutrients, rich in organic matter, nitrogen, phosphorus, potassium and trace elements. They are beneficial to soil fertilization, fertilizer conservation, tillage, soil bulk density and soil biology. According to research, many excellent characteristics of high-yield orchard soils are closely related to their high soil organic matter content. Adding organic fertilizer is one of the effective ways to overcome soil fat, salt and physical and chemical properties.
Balanced fertilization for poor soil, such as lack of fertilizer, poor fertility, nutrient imbalance, salting, etc., combined with the law of fertilizer absorption of fruit trees, balanced application of nitrogen, phosphorus, potassium and trace element fertilizers, can effectively fertilize soil and save fertilizer. And can improve the quality of fruit.
Intercropping green manure and green manure crops have high yield and good fertilizer efficiency, which not only can increase soil organic matter, improve soil physical and chemical properties, maintain soil and water, but also can be used as feed and return to the field. Green manure is easy to cultivate and has low cost. It is a good source of fertilizer. Green manure crops such as hazelnuts, grass mites, alfalfa and mung beans are suitable for orchard intercropping.
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