Tree pit soil moisture preservation device suitable for plateau mountainous area

By designing tree hole moisture conservation devices in plateau mountainous areas, using breathable and anti-seepage layers and polymer consolidation water-retention layers, and combining rainwater collection and drip irrigation systems, the problem of poor soil water retention capacity in plateau mountainous areas has been solved, and the plant survival rate and water resource utilization efficiency have been improved.

CN223335220UActive Publication Date: 2025-09-16TIANJIN QINGCHUAN TECH DEV CO LTD
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Patent Information

Application Number
CN202422958437.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-09-16
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

In the mountainous areas of the Qinghai-Tibet Plateau, rainfall is low, evaporation is high, and the soil's water retention capacity is poor, making afforestation and greening difficult and the survival rate of plant plantings low.

Method used

A tree pit moisture conservation device is designed, including a breathable and anti-seepage layer, a water-retaining agent, and a rainwater collection and irrigation mechanism. The breathable and anti-seepage layer is made of improved non-woven fabric, and the polymer consolidation water-retaining layer is composed of plant cellulose and potassium polyacrylate. The rainwater collection box is combined with a solar water pump and a drip irrigation system to reduce water leakage and evaporation.

Benefits of technology

Effectively reduce water leakage and evaporation, save irrigation costs, improve soil water retention capacity and water utilization rate, and increase plant survival rate.

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Abstract

The utility model belongs to the technical field of plateau greening, and particularly relates to a plant pit soil moisture preservation device suitable for plateau mountain areas, which comprises a soil layer, a plant pit is arranged on the surface of the soil layer, a tree body is planted in the plant pit, and a breathable impermeable layer is fixedly mounted on the inner wall of the bottom of the plant pit. The inner side wall of the breathable impermeable layer is backfilled with planting backfill soil, the interior of the planting backfill soil is uniformly mixed with a water-retaining agent, the upper portion of the planting backfill soil is covered with geotechnical cloth, the surface of the geotechnical cloth is fixedly covered with a macromolecule consolidation water-retaining layer, and a rainwater collecting and irrigating mechanism is further arranged in the soil layer. According to the plant pit soil moisture preservation device suitable for the plateau mountain area, by arranging the breathable impermeable layer, about 30% of water leakage is reduced, 40% of irrigation cost is saved, and by arranging the macromolecule consolidation water retention layer, the soil evaporation rate can be reduced by 8-10%.
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