Automated Agricultural Sampling With As-Collected Soil Slurry Analysis
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Solution Overview
Problem
Existing agricultural sampling processes are inefficient and labor-intensive, particularly in soil testing, and lack comprehensive systems for analyzing soil, vegetation, and manure samples.
Innovation Solution
A fully automated system for agricultural sampling and analysis, including a sample preparation sub-system that mixes and filters soil samples with water to form a slurry, and a chemical analysis sub-system that processes the slurry for quantification of analytes and chemical properties, capable of simultaneously analyzing multiple samples.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual soil sampling and analysis processes are used, then labor intensity is high and efficiency is low, but the system complexity and automation requirements are not needed
Solution Approach 1:
The system is divided into distinct functional modules: a sampling module for collecting soil samples, a preparation module for processing samples into slurry, and an analysis module for chemical testing. This segmentation allows each module to be optimized independently while working together to improve overall productivity without creating an unmanageably complex integrated system.
Solution Approach 2:
A centralized control system acts as an intermediary that coordinates between the sampling, preparation, and analysis modules. This control intermediary manages the workflow, tracks samples through different stages, and integrates data from multiple sources, thereby improving efficiency while keeping the system architecture manageable through clear separation of control functions.
2Productivity
If automated sampling and analysis systems are implemented, then productivity increases, but the initial system complexity and investment requirements increase
Solution Approach 1:
The automated system is designed with multi-functional capabilities that can handle various agricultural sample types (soil, vegetation, manure) through a unified workflow. The same automated pipeline processes different sample types using appropriate reagents and protocols, improving analysis throughput across multiple applications without requiring separate specialized systems for each sample type.
Solution Approach 2:
The system enables continuous automated processing where samples flow sequentially through sampling, preparation, and analysis stages without interruption. Multiple samples can be processed in parallel or sequential batches, maintaining continuous productive action. This continuous workflow eliminates idle time between steps and maintains steady-state operation, significantly improving throughput while the automation handles the complexity continuously.
3Adaptability or versatility
If comprehensive analysis of multiple sample types is provided, then versatility increases, but the system complexity and resource requirements increase
Solution Approach 1:
The system handles different sample types by changing key parameters such as reagent concentrations, processing temperatures, and analysis protocols rather than requiring fundamentally different hardware or system architecture. By adjusting these parameters, the same automated platform can process soil, vegetation, and manure samples, achieving versatility without proportionally increasing system complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables rapid and efficient generation of nutrient maps for agricultural fields, allowing real-time identification of needed soil amendments and application amounts, and supports analysis of various agricultural samples beyond soil, such as vegetation and manure.
Implementation Method 1
a sample preparation sub-system which receives soil samples collected by a probe collection sub-system and produces a slurry (i.e. mixture of soil, vegetation, and/or manure and water) for further processing and chemical analysis
Implementation Method 2
The mixer-filter apparatus then filters the slurry during its extraction from the apparatus for processing in the chemical analysis sub-system
Implementation Method 3
a chemical analysis sub-system which receives and processes the prepared slurry samples from the sample preparation sub-system for quantification of the analytes and/or chemical properties of the sample
Data Source
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AI summary
An automated computer-controlled sampling system and related methods for collecting, processing, and analyzing agricultural samples for various chemical properties such as plant available nutrients. The sampling system allows multiple samples to be processed and analyzed for different analytes or chemical properties in a simultaneous concurrent or semi-concurrent manner. Advantageously, the system can process soil samples in the "as collected" condition without drying or grinding. The system generally includes a sample preparation sub-system which receives soil samples collected by a probe collection sub-system and produces a slurry (i.e. mixture of soil, vegetation, and/or manure and water), and a chemical analysis sub-system which processes the prepared slurry samples for quantifying multiple analytes and/or chemical properties of the sample. The sample preparation and chemical analysis sub-systems can be used to analyze soil, vegetation, and/or other samples. A soil collection system is disclosed which captures and directs samples to the sampling system for processing.