Apple tree needs fertilizer characteristics

Orchard soil testing and fertilizer application in apple orchards is the most effective technical measure to increase the soil fertility in orchards and timely supply the nutrients needed for fruit tree growth. The soil fertility required by apple trees: First, the soil pH is appropriate, the soil pH is 5.3 to 8.2, and apple trees can adapt to different pH values ​​of the soil by selecting different rootstocks. Second, the soil should be deep and the soil depth should be more than 60 cm. Because the mature roots of apple trees are mainly distributed in 40-60 cm, the deep soil is conducive to the extension of the apple tree's root system to the depth and breadth, increasing the amount of fertilizer water. Absorption area. Third, the content of soil organic matter is abundant, and the soil organic matter content is more than 1%. This is the basic condition for strong trees, high yield, and high quality. Fourth, the balanced supply of soil available nutrients is strong. Apple trees are trees that have high perennial yields and long economic years of use. They grow for many years, and they absorb a variety of nutrient elements from a certain range of soil, which can easily cause these elements. Because of the deficiency, it is necessary to adjust the soil fertility by measuring the soil and fertilizing each year.

Apple Tree Formula Fertilization Technology

The application of organic and inorganic fertilizers to increase organic fertilizers is a basic measure to improve the physical structure and chemical properties of soils in apple orchards. Organic fertilizers have long-lasting and slow fertilizer effects. Chemical fertilizers are fast and short-lived. The combination of the two can be used together to provide the necessary nutrients during the growth of the apple.

The annual growth, length of roots, shoots, branches and leaves of apple trees, flower bud differentiation, flowering results, fruit enlargement and ripening, etc. combined with NPK fertilizer, medium and trace elements, etc. element. Various nutrient elements are equally important to the apple tree and cannot be mutually replaced. Therefore, on the basis of increasing the use of organic fertilizers for deep-turning and improving soils, it is also necessary to pay attention to the combined application of NPK fertilizers, Chinese and trace elements and other fertilizers, pay attention to the application of multiple compound fertilizers, and coordinate the proportions of various nutrient elements to meet The need for good growth of apple trees and high yields for quality results.

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