Foliar fertilizer specially for apples before defoliation in autumn and use thereof

A foliar fertilizer and defoliation technology, applied in the direction of application, nitrogen fertilizer, magnesium fertilizer, etc., can solve the problems of weak apple leaf function and insufficient nutrition in tree storage, improve the storage nutrition level of tree body, facilitate large-scale promotion, and significantly The effect of economic benefits
CN106938957AInactive Publication Date: 2017-07-11SHANDONG AGRICULTURAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANDONG AGRICULTURAL UNIVERSITY
Publication Date
2017-07-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to foliar fertilizer specially for apples before defoliation in autumn and a use thereof. The foliar fertilizer comprises, by weight, 13 to 17 parts of potassium fulvate, 19 to 22 parts of urea, 3 to 5 parts of borax, 3 to 5 parts of zinc sulfate, 8 to 12 parts of EDTA chelated calcium, 8 to 12 parts of magnesium sulfate, 2 to 4 parts of ferrous nitrate, 2 to 4 parts of ammonium molybdate, 2 to 3 parts of paclobutrazol, 1 to 2 parts of sodium selenite, 1 to 2 parts of Tween 80#, 8 to 12 parts of glucose and 10 to 15 parts of compound amino acids. The 1000-fold dilute foliar fertilizer is sprayed to the leaves for the first time in about 15 days before the leaves of the fruit trees fall off, and the 500-fold dilute foliar fertilizer is sprayed to the leaves for the second time in about 7 days before the leaves of the fruit trees fall off. The foliar fertilizer is used before 9:00 am or after 3:30 pm in the sunny day. The foliar fertilizer can effectively improve the leaf functions, promote reflux of the leaf nutrients and increase the nutrient storage of the tree. The foliar fertilizer has the advantages of simple use method and remarkable effects.
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Description

[0001] (1) Technical field

[0002] The invention relates to the technical field of fertilizer production, in particular to a special foliage fertilizer for apples before leaf fall in autumn and its application.

[0003] (2) Background technology

[0004] At present, in my country's apple production, the insufficient quantity of stored nutrients in the tree body is one of the main limiting factors affecting high yield and high efficiency. The budding, flowering, fruit setting, new shoot growth, young fruit expansion and root growth of apple trees in spring mainly depend on the stored nutrients of the tree body in the previous year. Insufficient stored nutrients will first affect the quality of flower buds, resulting in a decrease in fruit setting rate and slow expansion of young fruit, resulting in a decrease in yield and quality in the current year; secondly, insufficient growth of spring shoots, excessive growth of autumn shoots, and poor differentiation of flower buds will a...

Claims

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