How do apple trees perform soil testing and formula fertilization?

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Answer: 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. Among them, nitrogen, phosphorus, potassium, microelements, etc. are used in combination with the annual growth and length of roots, buds, branches and leaves of apple trees, flower bud differentiation, flowering results, fruit enlargement and ripening, etc. Nutrients. 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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