Method and system for spatial optimization configuration of carbon, nitrogen and phosphorus synergistic emission reduction measures in farmland

By identifying and optimizing fertilization and water-saving irrigation patterns in areas where carbon, nitrogen, and phosphorus emissions are reduced in farmland, the problems of soil compaction, water waste, and greenhouse gas emissions in rice cultivation have been solved, achieving the effects of water conservation and environmental protection.

CN122242829APending Publication Date: 2026-06-19INNOVATION ACAD FOR PRECISION MEASUREMENT SCI & TECH CAS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INNOVATION ACAD FOR PRECISION MEASUREMENT SCI & TECH CAS
Filing Date
2026-01-28
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The current rice cultivation model of excessive watering and fertilization leads to soil compaction, water waste, increased greenhouse gas emissions, eutrophication of water bodies, and risks to the quality and safety of agricultural products, while also incurring high economic costs.

Method used

By identifying the optimal fertilization measures and water-saving irrigation patterns for carbon, nitrogen, and phosphorus emission reduction in each farmland area, and combining GIS spatial analysis technology, the optimal configuration of synergistic carbon, nitrogen, and phosphorus emission reduction measures for farmland is optimized, including nitrogen fertilizer application, controlled-release fertilizer, and water-saving irrigation, resulting in spatial optimization configuration results.

Benefits of technology

It can effectively alleviate water shortages, control non-point source pollution, reduce greenhouse gas emissions, improve soil fertility, reduce planting costs, and ensure the quality and safety of agricultural products.

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Abstract

This invention proposes a spatial optimization configuration method and system for synergistic carbon, nitrogen, and phosphorus emission reduction measures in farmland. The method first determines the optimal fertilization measures for each farmland carbon, nitrogen, and phosphorus emission reduction area based on its soil, topography, climate, fertilization status, livestock and poultry farming conditions, and target benefits. Then, it determines the optimal water-saving irrigation mode for each farmland carbon, nitrogen, and phosphorus emission reduction area based on its soil, topography, climate, and target benefits. Finally, it integrates the optimal fertilization measures and the optimal water-saving irrigation mode to form the spatial optimization configuration result of farmland carbon, nitrogen, and phosphorus emission reduction measures. This invention achieves optimization of fertilization measures and water-saving irrigation modes in different regions, effectively alleviating water shortages and controlling non-point source pollution.
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