A blueberry substrate cultivation nutrient solution, a device and method for efficient recycling of nutrient solution drainage.

By designing nutrient solution formulas for different growth stages and efficient recycling methods for blueberry substrate cultivation, the problems of nutrient solution waste and soil acidification have been solved, improving the scientific nature of the blueberry growth environment and yield, and reducing production costs.

CN122127170APending Publication Date: 2026-06-02INST OF ALPINE ECONOMIC PLANTS YUNNAN ACAD OF AGRI SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF ALPINE ECONOMIC PLANTS YUNNAN ACAD OF AGRI SCI
Filing Date
2026-03-09
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The use of nutrient solutions in blueberry substrate cultivation leads to soil acidification, the spread of pests and diseases, and the waste of nutrients. Furthermore, existing nutrient solution formulas are not suitable for the needs of different growth stages, resulting in high production costs and environmental pollution.

Method used

We provide nutrient solution formulas for the planting, growth, flowering, fruiting, and fruit-setting stages, and recycle the nutrient solution through filtration, disinfection, and compounding to avoid the use of chemical agents and meet the nutritional needs of different growth stages.

Benefits of technology

It enables efficient recycling of nutrient solution, avoids soil acidification and pests and diseases, reduces production costs, increases blueberry yield and quality, and creates the best water and fertilizer environment.

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Abstract

This invention relates to the field of energy conservation and environmental protection technology, and in particular to a nutrient solution for blueberry substrate cultivation, a device and method for efficient recycling of nutrient solution wastewater, wherein the nutrient solution includes nutrient solution for the planting period, the growth period, the flowering period, the flowering and fruiting period, and the fruit-end stage; the pH of the nutrient solution is 5.0-6.0, and the nutrient components of the nutrient solution all include Cu 3-6 μmol / L, Mn 8-12 μmol / L, Zn 10-15 μmol / L, B 20-40 μmol / L, Mo 2-5 μmol / L, and Fe 25-50 μmol / L; the wastewater recycling method includes: filtering and disinfecting the nutrient solution wastewater, detecting the main components, then reconstituted the nutrient solution wastewater into a target nutrient solution according to the blueberry growth stage, and then returning it to the water and fertilizer irrigation system for blueberry substrate cultivation. The nutrient solution drainage and recycling method provided by this invention can recycle nutrients that have not been absorbed by blueberries, which can not only avoid the problem of soil acidification, but also achieve the purpose of saving water and fertilizer and reducing production costs.
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