Variable Agrochemical Application via Soil Zone Segmentation
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Solution Overview
Problem
Current agrochemical application methods lack efficiency in targeting specific soil characteristics, leading to unnecessary fertilizer use and environmental loss, as they apply uniform treatments across entire fields without considering varying soil conditions.
Innovation Solution
The technology delineates zones within a field based on soil characteristics and applies customized fertilizer products using a geographically referenced map, allowing for precise application of conventional or enhanced fertilizers where needed, minimizing waste and optimizing use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If uniform fertilizer treatment is applied across entire fields, then application simplicity is maintained, but fertilizer use efficiency deteriorates and environmental loss increases
Solution Approach 1:
The field is segmented into multiple zones based on soil characteristics such as organic matter content, texture, and pH levels. Each zone is assigned a unique identifier and receives customized fertilizer treatments appropriate to its specific soil properties, thereby reducing fertilizer loss while maintaining operational feasibility through systematic zone-based management
Solution Approach 2:
Different fertilizer products, application rates, and timing are applied to different zones within the field based on local soil characteristics. This localized approach ensures that each area receives the specific treatment it needs, improving fertilizer use efficiency and reducing environmental loss compared to uniform field-wide application
2Loss of substance
If zone-based customized fertilizer application is implemented, then fertilizer use efficiency is improved, but system complexity increases
Solution Approach 1:
Soil sampling and analysis are conducted in advance to delineate zones and determine appropriate fertilizer treatments before the application season. This preliminary characterization of soil properties allows for simplified field operations during application, as the complex decision-making about what to apply where has already been resolved in the planning phase
Solution Approach 2:
A digital map representing the field zones and their characteristics is created and stored. This digital copy can be referenced during fertilizer application to guide equipment and operators, eliminating the need for complex real-time decision-making while maintaining the benefits of zone-based customization
3Quantity of substance
If conventional fertilizer is applied to all areas, then cost is minimized, but environmental harm increases in vulnerable zones
Solution Approach 1:
The system identifies zones with soil characteristics that are vulnerable to fertilizer loss (such as high organic matter content, certain textures, or pH levels) and applies enhanced-efficiency fertilizer specifically to those areas. Conventional fertilizer continues to be applied to zones where it is appropriate, thereby minimizing overall cost while preventing environmental harm in vulnerable zones through targeted use of enhanced-efficiency products
Data Source
AI summary
Methods and products are provided for facilitating application of variable-product agrochemicals, such as fertilizer, to an application area, such as a field. The fertilizer or agrochemical may include a single fertilizer or agrochemical type or a mixture. In one embodiment, a fertilizer-application area is divided into application cells, and a fertilizer product is determined for each cell, based on zones of the application area with a similar characteristic, such as topographic wetness index levels. Based on a determined product for each cell, instructions for controlling an agrochemical applicator are automatically generated.