Fertilizing System with Nitrous Oxide Sensors for Soil Monitoring
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Solution Overview
Problem
Agricultural soils using nitrogenous fertilizers face inefficiencies, with only 50% of nitrogen being utilized by plants, while the rest is converted into nitrous oxide, a greenhouse gas, due to complex interactions with soil parameters, leading to suboptimal fertilizer use and increased emissions.
Innovation Solution
A fertilizing system equipped with nitrous oxide sensors and a data processing device that monitors and adjusts fertilizer application based on nitrous oxide emissions, soil conditions, and position-specific data, optimizing fertilizer use and accounting for climate impacts through automated and adaptive application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If nitrogenous fertilizers are applied to increase crop yield, then plant growth is improved, but nitrous oxide emissions increase
Solution Approach 1:
The system continuously monitors nitrous oxide emissions from the soil and feeds this information back to the fertilizer application device. Based on the detected emission levels, the system dynamically adjusts the amount and timing of fertilizer application, reducing emissions while maintaining crop productivity.
Solution Approach 2:
The fertilizing system transitions from static, pre-determined fertilizer application schedules to dynamic, real-time adjustment based on actual soil conditions and emission levels. The application rate and timing are continuously adapted according to current environmental parameters detected by sensors.
2Productivity
If fertilizer application is increased to ensure desired crop quality, then crop quality is improved, but fertilizer use efficiency decreases
Solution Approach 1:
The system uses multiple sensors to monitor soil nitrous oxide content at different locations and depths, providing real-time feedback on fertilizer utilization efficiency. This information is processed to determine optimal fertilizer application rates, preventing both over-application (waste) and under-application (insufficient crop quality).
Solution Approach 2:
The system implements spatially differentiated fertilizer application based on local soil conditions detected by distributed sensors. Different zones within the field receive customized fertilizer rates according to their specific nitrous oxide emission levels and soil characteristics, optimizing both crop quality and fertilizer efficiency locally.
3Measurement precision
If multiple nitrous oxide sensors are deployed to monitor soil emissions, then measurement accuracy is improved, but device complexity increases
Solution Approach 1:
The monitoring system is divided into multiple independent sensor nodes distributed across the field, each performing simple local measurements. These segmented sensors communicate their data to a central processing system, achieving comprehensive monitoring coverage while keeping individual sensor units simple and manageable.
Solution Approach 2:
The sensor nodes are designed as multi-functional units that can detect nitrous oxide emissions, determine their own position, and communicate with the central system. This universal design reduces overall system complexity by using standardized components throughout the network rather than specialized devices for each function.
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
The system ensures optimal fertilizer distribution, reducing nitrous oxide emissions and improving crop yield by accurately determining and applying the right amount and type of fertilizer, considering soil interactions and climate influences, thereby enhancing agricultural productivity while minimizing environmental impact.
Implementation Method 1
the nitrous oxide sensors are designed as infrared gas sensors
Data Source
AI summary
The invention relates to a fertilizing system (3) for agricultural soil (2), having a spreading device (4) for spreading fertilizer and having a testing device (5) for detecting a nitrous oxide content in or on the agricultural soil (2) to be fertilized. According to the invention, the testing device (5) has a plurality of nitrous oxide sensors (6), each having a first transmitting device (8) for transmitting measured data, and having a data processing device (9), which has a first receiving device (10) for receiving the measured data.