Optical soil composition sensor
This is a device that utilizes spectral analysis to determine the chemical and physical characteristics of soil in real time directly in the field.
Также говорят: soil sensor, optical soil analyzer, soil fertility sensor
Optical sensors are used for the rapid assessment of nitrogen, phosphorus, potassium, organic carbon content, and soil moisture. Unlike laboratory testing, these devices provide instant data, which is essential for making timely management decisions throughout the growing season.
The technology is widely applied in variable rate fertilization to optimize costs and maximize crop yields. Agronomists mount these sensors onto field machinery, which collects data while moving, allowing for automated adjustments to nutrient application rates across different field zones.
A common error is failing to calibrate the sensor when encountering different soil textures or significant changes in soil moisture. Incorrect probe depth settings or the presence of thick surface crop residue can lead to inaccurate readings, resulting in inefficient resource management.