Preparation and use method of water-soluble fertilizer package for preventing and treating yellowing disease of kiwifruit trees

Abstract

The invention discloses a preparation and use method of a water-soluble fertilizer package for preventing and treating the yellowing disease of kiwifruit trees. The package is composed of three water-soluble fertilizers A, B and C. The soil improving and root promoting fertilizer A is prepared from 50-80 parts of water, 6-14 parts of humic substances, 5-15 parts of urea, 0-2 parts of potassium hydroxide, 2-5 parts of potassium chloride, 1-5 parts of potassium nitrate, 10-15 parts of monopotassium phosphate, 1.5-2 parts of boric acid, 1.6-2.6 parts of zinc EDTA, 3-7 parts of antibacterial lipopeptide, 1-5 parts of chitosan and 5-10 parts of wood acetic acid through a certain method; the bacterial agent water-soluble fertilizer B is prepared from greater than or equal to 4% of N, greater than or equal to 5% of P2O5, greater than or equal to 10% of K2O, greater than or equal to 0.05% of Mg and greater than or equal to 0.05% of Ca, and 0.2%-10.0% of a trace element is prepared from 0.1%-5.0% of trichoderma harzianum, 0.1%-4.5% of rhodosporium lilacinum, 0.01%-0.1% of rare earth nitrate and 0-6% of a water-soluble anti-caking agent through a certain method. The main component of the trace element foliar fertilizer C is chelated iron. After the fertilizer package is diluted proportionally, the fertilizer package is applied through a water-fertilizer integrated system, and the three fertilizers can be applied in a combined manner to effectively prevent and treat the yellowing disease of the kiwifruit trees.

Description

1. Technical field [0001] The invention relates to a water-soluble fertilizer set, in particular to a method for preparing and using a water-soluble fertilizer set capable of preventing and treating kiwifruit tree yellowing, and belongs to the technical field of fertilizer production. 2. Background technology [0002] The incidence of kiwifruit yellowing disease is relatively high, and in wetland orchards with high groundwater levels, the incidence rate of some fields can reach more than 50%. The leaves with yellowing disease turn yellow and lose green between the veins, the leaves are small, and the tree is weak. In severe cases, the pulp is white and loses its edible value, and the disease will cause the death of the whole trunk for a long time. Studies have shown that kiwifruit yellowing disease is mainly caused by soil iron deficiency or low available iron ion content, insufficient application of organic fertilizers and iron fertilizers, partial application of nitrogen ...

AI Technical Summary

Problems solved by technology

Although the existing fertilization technology can also prevent and control the yellowing of kiwifruit to a certain extent, the fertilizers used in these inventions cannot be completely dissolved in water, so they cannot

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