Implements and apparatuses having a sensor assembly with an ion-selective electrode (ISE) sensor for soil sensing and monitoring

WO2026125956A1PCT designated stage Publication Date: 2026-06-18PRECISION PLANTING LLC
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
PRECISION PLANTING LLC
Filing Date
2025-10-24
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Existing agricultural systems lack effective mechanisms for real-time, localized measurement of soil properties such as nitrates, which are not integrated with input application operations, leading to inefficiencies in precision farming practices.

⚗Method used

An ion-selective electrode (ISE) sensor assembly is integrated with ground-engaging components of agricultural implements to measure ionic concentrations in soil in real-time, using filtration layers to extract pore-water and correlate electrical characteristics to ion presence, enabling variable rate applications of agricultural products based on soil nutrient levels.

🎯Benefits of technology

Enables precise, on-the-go adjustment of agricultural input application rates based on real-time soil nutrient measurements, improving efficiency and accuracy in precision farming by correlating electrical characteristics of ionic solutions to soil ion concentrations.

✦ Generated by Eureka AI based on patent content.

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Abstract

A soil apparatus (400, 900) comprises a ground engaging component to move through a soil medium (40, 930) in a field and an ion- selective electrode (ISE) sensor assembly (350, 920) attached or integrated with the ground engaging component. The ISE sensor assembly comprises one or more coarse filtration layers or one or more progressively finer filtration layers (810, 811, 820) forming an exterior surface of the ion-selective sensor assembly that incrementally or continuously moves against the soil medium and blocks soil while allowing pore-water to pass through, one or more ion-selective layers (520, 620) to receive the pore-water and allow an ion or a set of ions to pass through as an ionic solution, and a sensor that is configured to measure electrical characteristics of the ionic solution.
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