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Technical Considerations for Herbicide Spraying with Farmer Drone, DJI Agras T40/ T20P

Jul 09,2023 | Farmer Drones

Technical Considerations for Herbicide Spraying with Farmer Drone, DJI Agras T40, and DJI Agras T20P


Agricultural drones, such as the DJI Agras T40 and DJI Agras T20P, have revolutionized the field of crop protection, providing farmers with efficient and precise tools for herbicide spraying. However, to ensure optimal results and safety, it is crucial to understand and implement specific technical considerations when operating these drones for herbicide application. In this article, in collaboration with Farmer Drone, we will delve into these considerations and provide valuable insights.

  1. Proper Equipment Setup:

Before starting any herbicide spraying operation with the DJI Agras T40 or DJI Agras T20P, it is essential to properly set up the agricultural drone. Ensure that the drone is equipped with a reliable GPS system and the necessary software platform, which are integral parts of both DJI models. Calibrate and verify the accuracy of the onboard sensors, such as altitude, speed, and spray rate sensors, to ensure accurate navigation, precise dosage, and effective coverage during the spraying operation.


  1. Selection of Nozzles:

The choice of nozzles plays a crucial role in achieving uniform and efficient herbicide application with the DJI Agras T40 and DJI Agras T20P. Consider factors such as the spray angle, flow rate, droplet size, and spray pattern distribution when selecting the appropriate nozzles. Both DJI models offer a range of compatible nozzles that can be tailored to specific herbicides and target weed species. Regularly inspect and clean the nozzles to prevent clogging and ensure consistent spray performance.

  1. Spray Rate and Height:

Proper spray rate and height settings are crucial for accurate herbicide application and minimizing drift when using the DJI Agras T40 or DJI Agras T20P. Ensure that the herbicide is applied at the recommended dosage per unit area, as specified by the manufacturer. Adjust the spraying height based on the crop's growth stage, weed height, and canopy structure to achieve optimal coverage. Monitoring weather conditions, including wind speed and direction, is essential to avoid excessive drift and ensure precise targeting.

  1. Data Analysis and Recordkeeping:

Both the DJI Agras T40 and DJI Agras T20P offer advanced data analysis capabilities that can enhance decision-making and future optimization. Make use of the data captured during herbicide spraying to assess spray coverage, identify potential problem areas, and determine the effectiveness of the herbicide. Leveraging the integrated software platforms of these models, keep detailed records of each spraying operation, including dosage, weather conditions, and any observations or issues encountered. This documentation serves as a valuable reference for future analysis and improvement.


To ensure effective weed control and minimize potential risks when utilizing the DJI Agras T40 or DJI Agras T20P for herbicide spraying, it is vital to follow these technical considerations. Proper equipment setup, selection of appropriate nozzles, and careful management of spray rate and height contribute to accurate and uniform herbicide application. Farmer Drone, in conjunction with DJI Agras T40 and DJI Agras T20P, is committed to providing farmers with advanced agricultural drone solutions that address the challenges of modern crop protection.

Note: This article is written in collaboration with Farmer Drone and DJI, aiming to provide technical guidance. For specific operational instructions, always refer to the respective manufacturer's guidelines.

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