The soil with poor soil and soil properties is not only low in nutrients, but also unbalanced in nutrients. The water, gas, and heat conditions in the soil are also uncoordinated, and soil biological conditions are poor. To provide a good soil condition for fruit trees, especially saplings, light and fertile plough layer soils can be used, as well as decomposed chicken manure, pig manure or cow dung. For saline land, there is also the effect of salt and buffer salt and alkali damage.
Covering spring and autumn, a layer of 3 to 5 cm deep crushed wheat straw or crushed corn stalks at a height of 1 to 2 meters around the tree can play a role in salt suppression, water retention, and heat preservation. Straw can be converted into soil organic matter after tanning, and can release nitrogen, phosphorus, potassium, zinc, iron and other elements, reduce soil bulk density, increase soil porosity, improve soil ventilation conditions, in order to facilitate the growth and development of soil organisms. At the same time, it should cover the mulch to make full use of its advantages.
Increased organic fertilizer According to research, many excellent characteristics of high-yield orchard soil are closely related to high soil organic matter content. The application of organic fertilizer is an effective way to cultivate soil and overcome the lack of fertilizer, salt, and physical and chemical properties of the soil.
Balanced fertilization can effectively fertilize soil by applying nitrogen, phosphorus, potassium, and trace element fertilizers in a balanced manner to the characteristics of nutrient-poor fertility, poor fertility, unbalanced nutrients, and salting in poor soils, in combination with the law of sucking fertilization in fruit trees. Save fertilizer, reduce disease, and improve fruit quality.
Intercropping green manure crops have high yields and good fertilizer effects. They not only increase soil organic matter, but also improve soil physical and chemical properties. Green manure is easy to cultivate and has low cost. It is a source of high-quality fertilizer. Intercropping green manure is an effective measure to fertilize the orchard soil and make full use of the orchard soil. Green manure crops such as gardenia, sapwood, alfalfa and mung bean are suitable for intercropping in orchards.
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