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Updated: Apr 9, 2026

Protocols for Robust Herbicide Resistance Testing in Different Weed Species

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Published on: July 2, 2015

VARIABLE RATE APPLICATION OF SOIL HERBICIDES IN ARABLE CROPS: FROM THEORY TO PRACTICE.

S Heijting, C Kempenaar

Communications in Agricultural and Applied Biological Sciences

|June 19, 2015

Summary

Variable Rate Application (VRA) of soil herbicides optimizes chemical weed management by adjusting dosages based on soil properties. This smart application reduces herbicide use, benefiting the environment and improving crop protection.

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Area of Science:

Agricultural Science
Environmental Science
Precision Agriculture

Background:

Soil herbicides are crucial for weed control in arable crops.
Environmental concerns necessitate smarter, more targeted herbicide application methods.
Current practices often involve uniform application, leading to potential overuse and environmental impact.

Purpose of the Study:

To research and develop Variable Rate Application (VRA) for soil herbicides in The Netherlands.
To integrate soil spatial variation into herbicide dosage determination.
To reduce overall herbicide usage while maintaining effective weed control.

Main Methods:

Development of Decision Support Rules (DSR) linking soil parameters (clay, organic matter) to herbicide dosage.
Utilizing greenhouse trials, models, and on-farm research to create DSR.
Employing soil scans for rapid soil property mapping and subsequent interpolation.
Integrating soil maps with farm management information systems (FMIS) for VRA spray map generation.

Main Results:

Demonstrated the feasibility of VRA for soil herbicides by creating variable dosage maps.
Showcased the integration of DSR and soil maps for precise herbicide application.
Initiated practical testing and implementation within the "Programma Precisie Landbouw" framework.

Conclusions:

VRA of soil herbicides offers a viable strategy for reducing chemical inputs in agriculture.
Effective VRA relies on accurate soil mapping, robust DSR, and advanced spray technology.
Ongoing research and farmer collaboration are key to advancing VRA implementation in The Netherlands.