Water and fertilizer online accurate detection and irrigation control system

By combining multi-source sensors and large-scale model algorithms, precise detection of water and fertilizer and automatic irrigation control in low-latitude plateau irrigation areas have been achieved, solving the problems of resource waste and uneven growth in traditional irrigation technologies and improving the level of agricultural intelligence.

CN121336693APending Publication Date: 2026-01-16KUNMING UNIV OF SCI & TECH
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Patent Information

Application Number
CN202511855971.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-10
Publication Date
2026-01-16

AI Technical Summary

Technical Problem

The uneven distribution of water resources and the variable climate in the low-latitude plateau irrigation areas lead to low water and fertilizer utilization rates. Traditional irrigation technologies are outdated, making it difficult to achieve precision irrigation and scientific fertilization. Reliance on manual experience results in resource waste and uneven crop growth.

Method used

The system employs multi-source sensors to monitor soil and water level parameters in real time. Combined with plateau meteorological data and large-scale model algorithms, it enables intelligent analysis of the crop growth environment and automatic irrigation control. Data processing and decision-making are performed through a PLC controller and a cloud box, and solar power is used to ensure independent operation of the system.

Benefits of technology

It enables real-time monitoring and precise control of field environmental parameters, improves water and fertilizer utilization efficiency, reduces resource waste, ensures balanced crop growth and yield, reduces water pressure, and promotes intelligent and sustainable agricultural development.

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Abstract

The invention provides a water and fertilizer on-line accurate detection and irrigation control system which is used for irrigation of hardened water channels in low-latitude plateau areas. Comprising a cloud box, a data acquisition module, an image recognition module, a system PLC controller and a remote control and system alarm. The cloud box establishes a real-time and historical database based on the data acquired by the data acquisition module, further comprises an irrigation volume model and a crop growth period moisture management model, and makes and outputs an irrigation decision based on the irrigation volume and moisture management model; the data acquisition module is used for acquiring soil or matrix data and field water level; the image recognition module collects crop growth images to enter different period schemes; and the PLC receives an irrigation decision or controls a lifting telescopic rod or a water gate decision. According to the system, large-scale intelligent planting of crops is achieved, a large amount of manpower is saved, the problem that the low-latitude plateau green efficient water-saving irrigation technology lacks is solved, and the crop production amount is greatly increased.
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