Efficiency accounting of precipitation transformation and utilization chain in dry land and precipitation utilization regulation method
By dividing the process of dryland precipitation utilization into multiple cascade stages and analyzing the data, limiting factors were identified and targeted control measures were formulated, which solved the problem of low yield in traditional dryland agriculture and achieved increased production of dryland crops.
CN122415259APending Publication Date: 2026-07-17INSTITUTE OF ENVIRONMENT AND SUSTAINABLE DEVELOPMENT IN AGRICULTURE CAAS
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- INSTITUTE OF ENVIRONMENT AND SUSTAINABLE DEVELOPMENT IN AGRICULTURE CAAS
- Filing Date
- 2026-05-07
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Traditional dryland agriculture has not been designed specifically for the different rainfall conversion constraints in different regions and plots, resulting in low crop yields and an inability to effectively increase production.
Method used
By dividing the precipitation utilization process into multiple cascade stages, identifying limiting stages, and calculating baseline values and thresholds based on multi-source data, targeted control measures can be formulated, including increasing land cover, improving soil organic carbon, and promoting root development.
Benefits of technology
It improves the efficiency of dryland crop growth and utilization, increases crop yield, and is applicable to dryland agricultural systems of different climate zones and crop types.
✦ Generated by Eureka AI based on patent content.
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Figure CN122415259A_ABST
Abstract
本发明公开旱地降水转化利用链效率核算及降水利用调控方法，涉及农业技术管理技术领域。本发明通过核算降水入渗率、降水保蓄率、水分利用率、蒸腾份额、蒸腾效率五个级联环节，并计算得到目标区域的多个级联环节的效率的基准值和限制阈值，以及目标区域的多个级联环节的本年度效率；将目标区域的多个级联环节的本年度效率与对应的基准值和限制阈值进行比对，识别出降水生产力的限制级联环节，并根据限制级联环节以及预案得出调控靶点与措施建议。本发明为旱地农田的水分调控提供针对性改善措施，有效提高旱地的农作物产量。
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