What does this research mean for the field?

A newly developed prescription-map-based variable-rate spraying system with forward delay compensation achieves over 95% flow-rate control accuracy and significantly reduces boundary offset during differentiated pesticide application in soybean-maize strip intercropping. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To develop and evaluate a strip-specific variable-rate spraying system with delay compensation for differentiated pesticide application in soybean–maize intercropping.

August 22, 2026AgricultureOpen Access

Design and Experiment of a Prescription-Map-Based Variable-Rate Spraying System for Soybean–Maize Strip Intercropping

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Authors

DXDong XiangJiangsu University YSYichen SunJiangsu University YLYalong LiJiangsu University

Discussion

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Implication

Experimental study demonstrates high-accuracy variable-rate spraying with reduced boundary offset in strip intercropping, highlighting its feasibility for automated pesticide application.

Key Points

To develop and evaluate a strip-specific variable-rate spraying system with delay compensation for differentiated pesticide application in soybean–maize intercropping.
Generated a simulated prescription map in ArcMap and integrated RTK-BDS positioning with SRAM preloading for rapid real-time matrix addressing.
Developed a nozzle spatial position prediction model and forward delay-compensation control algorithm to address positioning offset, actuator lag, and hydraulic delay.
Application of the delay-compensation control algorithm reduced the mean boundary offset from 0.69 m to 0.29 m.
Mean flow-rate control accuracy exceeded 95% for both soybean and maize strips across application-rate levels, with coefficients of variation remaining below 6%.

Cite This Study

Xiang et al. (2026) studied this question.

synapsesocial.com/papers/6a895fc4ca7ade938187ea5e https://doi.org/10.3390/agriculture16161784

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Implication

Experimental study demonstrates high-accuracy variable-rate spraying with reduced boundary offset in strip intercropping, highlighting its feasibility for automated pesticide application.

Design and Experiment of a Prescription-Map-Based Variable-Rate Spraying System for Soybean–Maize Strip Intercropping

Discussion

Member takes

Implication

Key Points

Cite This Study

Design and Experiment of a Prescription-Map-Based Variable-Rate Spraying System for Soybean–Maize Strip Intercropping

Discussion

Member takes

Implication

Key Points

Cite This Study

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