Editor's note: The soil is the carrier for the growth of fruit trees and the source of nutrient supply for fruit trees. Maintaining adequate soil fertility and balanced nutrient elements are significant for fruit tree growth and fruit production. Only by implementing proper soil fertilization measures can we restore and improve soil productivity, so that fruit production can continue to achieve the purpose of increasing production and efficiency.
The commonly used soil fertigation techniques include the application of organic fertilizers and microbial fertilizers, orchard grass and intercropping green manure, soil improvement and soil fertility.
Adding organic fertilizer
Applying organic fertilizer can increase soil organic matter content, promote formation of soil aggregate structure, and thus increase soil fertility. There are many types of organic fertilizers. Pay attention to fertilizer and soil characteristics when applying them. Can be applied to manure, livestock and manure, compost, biogas fertilizer, straw and Other organic materials.
Introduce earthworms and microorganisms
Organic orchard soil is active. Its activity is mainly reflected in the soil is rich in micro-organisms and small animals, therefore, the introduction of alfalfa and micro-organisms in the orchard soil can improve soil biological activity, but also promote nutrient cycling, improve nutrient availability . Can be cultivated and introduced into earthworms and applied with microbial fertilizers.
Green manure applied in orchard
The application of green manure in orchards consists of two methods: greening under the trees and digging pots. In addition, green manure can also be used for winter and summer coverings in rows, for warmth and frost protection, and for drought resistance in summer, as well as for composting or composting.
Deep turning ripening, improving soil
Through the deep-ripening of the soil, the formation of soil pellet structure in orchards can be promoted, water storage and fertilizer retention capacity can be improved, air permeability can be enhanced, nutrient availability can be improved, and combined application of organic fertilizer can also increase soil organic matter and increase soil ripening degree and fertility. If deep plowing is possible, embedding a certain amount of plant debris, such as branches, leaves, straw, etc., is more conducive to the full play of the deep turning effect and maintaining it for a longer period of time. Deep plowing should be combined with the use of base fertilizer at the same time, the best results in autumn, due to more rainfall in the fall, good sensation, suitable soil temperature, long time, is conducive to the restoration of roots and water storage fertilization. Generally, it is advisable to conduct it in the middle or late September. The latest is not to exceed the end of November.
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