Farmers once relied on weather and experience for irrigation. Now, with the development of the Internet of Things and smart agriculture technologies, soil sensors are quietly changing this traditional model. By precisely monitoring soil moisture, they provide real-time data support for scientific irrigation, ushering in an era of efficient, water-saving agriculture.
Across vast farmlands, soil sensors embedded within crop roots act like sensitive “nerve endings,” continuously capturing the soil’s “pulse” 24/7. These sensors not only monitor critical moisture levels but also provide in-depth analysis of soil composition, pH, salinity, and various nutrient levels (such as nitrogen, phosphorus, and potassium).
“In the past, I was always worried about under- or over-watering. Now, a mobile app lets me see the water shortage for each plot of land, which is very intuitive,” said a farmer who uses this technology. “Not only can this save up to 30% of irrigation water, but more importantly, it prevents nutrient loss and soil structure damage caused by over-irrigation.”
Experts point out that the significance of soil sensors goes far beyond water conservation. Precisely managing soil moisture and nutrients can effectively promote healthy crop root growth and improve soil structure. In the long term, it’s also an effective way to combat soil erosion and degradation. Furthermore, understanding soil pH is crucial for adjusting fertilization strategies and optimizing the soil environment.
“The data we collect will help us build a more comprehensive soil classification database,” explained an agricultural scientist. “This will not only guide current agricultural practices but also provide a scientific basis for future soil remediation and sustainable land management.”
With decreasing costs and improving data analysis capabilities, soil sensors, once considered “black technology,” are rapidly becoming ubiquitous. They mark a shift in agriculture from extensive management to precise decision-making, ensuring food security while protecting the precious soil resources on which we depend.
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Post time: Sep-23-2025