Long-acting liquid organic fertilizer for enhancing salt and alkali tolerance of crops and preparation method and application thereof

By preparing a long-acting liquid organic fertilizer containing citric acid fermentation tail liquid, inorganic chemical fertilizer, micronutrients and styracil lactone, the problem of crop growth restriction under salt and alkali stress has been solved, and the salt and alkali tolerance of crops has been improved and environmentally friendly agricultural development has been achieved.

CN117682905BActive Publication Date: 2026-03-20SHIHEZI UNIVERSITY +1
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Patent Information

Application Number
CN202311719343.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-14
Publication Date
2026-03-20
Estimated Expiration
2043-12-14

AI Technical Summary

Technical Problem

Existing technologies lack specialized liquid organic fertilizers that can improve crop salt tolerance by mixing inorganic fertilizers with styrax lactone and citric acid fermentation tail liquid, resulting in restricted crop growth and metabolic disorders under salt and alkali stress.

Method used

Using citric acid fermentation tail liquid, inorganic chemical fertilizers, micronutrients and unicorn lactone as raw materials, a long-acting liquid organic fertilizer is prepared. By regulating the matching degree between nutrient supply and crop needs, the salt and alkali tolerance and growth performance of crops are improved.

Benefits of technology

It effectively solved the problem of crop growth restriction under salt and alkali stress, improved crop biomass, chlorophyll content and salt and alkali tolerance, reduced environmental pollution, and achieved effective resource utilization and green agricultural development.

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Abstract

The application provides a long-acting liquid organic fertilizer capable of enhancing salt and alkali tolerance of crops and a preparation method and application thereof, and belongs to the technical field of crop planting. The long-acting liquid organic fertilizer takes fermented tail liquid of citric acid, inorganic chemical fertilizer, micro-fertilizer and strigolactone as raw materials, and comprises the following effective components: organic matter of 220 g / L or more, N of 100 g / L or more, P2O5 of 60 g / L or more, K2O of 40 g / L or more, boron and zinc of 1 g / L or more, and strigolactone of 25 micromoles / L. The raw material components in the long-acting liquid organic fertilizer cooperate with each other and have synergistic effect, and jointly play the roles of promoting crop growth, increasing biomass, improving chlorophyll content, improving nutrient utilization rate and salt and alkali tolerance. In addition, the application is also of great significance in solving environmental pollution, recycling waste liquid, reducing fertilizer production cost and developing green and healthy agriculture.
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