What is soil sensor irrigation?

User:JXCTUpload time:Apr 03 2023


In recent years, the use of technology in agriculture has become increasingly popular, and one of the most important technological advances is soil sensor irrigation. Soil sensors are devices that measure soil moisture, temperature, and other parameters critical to plant growth. These sensors are becoming increasingly important in crop irrigation because they can help farmers make informed decisions about when and how much water to use on their crops. In this article, we will explore the benefits of using soil sensors for irrigation and how it can increase crop yields while saving water.

Portable Soil sensor

What is soil sensor irrigation?

Soil sensor irrigation is a technique that uses sensors to measure soil moisture levels to determine when and how much water is applied to crops. Sensors are placed at different depths of soil and measure the water content of the soil at those depths. The information collected by these sensors is then used to adjust the amount of water applied to each crop according to the specific needs of each crop. The method is more precise than traditional irrigation techniques, which rely on estimates of the amount of water a crop needs.

Types of soil sensors

There are several types of soil sensors on the market today. Some of the most common types of soil sensors include:

Capacitive sensors: These sensors measure the moisture content of the soil by measuring its dielectric constant. They are very accurate and can be used for a variety of soil types.

Tension meters: These sensors measure soil water tension, which is the suction required to extract water from the soil. Tensiometers are very accurate and can be used on a variety of soil types, but they require constant maintenance.

Time-domain reflectometry (TDR) sensors: These sensors measure the water content of soil by sending an electromagnetic pulse into the soil and measuring the time it takes for the pulse to return. TDR sensors are very accurate and can be used for a variety of soil types.

Gypsum blocks: These sensors measure the moisture content of soil by measuring its electrical conductivity. Gypsum blocks are cheap and easy to use, but not very accurate.

Soil sensors

Benefits of soil Sensor irrigation

Increased crop yields: Soil sensor irrigation allows farmers to apply the right amount of water at the right time, which can increase crop yields. When a crop receives too much or too little water, it can negatively affect its growth and reduce yields. By using soil sensors, farmers can ensure that their crops are getting the best amount of water as they grow.

Water Conservation: Soil sensor irrigation helps save water and reduce waste. Traditional irrigation methods rely on estimating how much water a crop needs, which can lead to overwatering. Overwatering can cause water runoff, which wastes water and can lead to soil erosion. Soil sensors ensure that crops receive only as much water as they need, thus reducing water waste.

Cost savings: Soil sensor irrigation can save farmers money. By applying the right amount of water at the right time, farmers can reduce the amount of water they use and thus their water bills. In addition, soil sensors can help reduce labor costs because they automate the irrigation process, reducing the need for manual monitoring.

Improve soil health: Overwatering can have a negative impact on soil health because nutrients are lost from the soil. By using soil sensors to apply only the necessary amount of water, farmers can reduce leaching risks and improve soil health.

Environmental benefits: Soil sensor irrigation can produce environmental benefits by reducing water waste and improving soil health. In addition, soil sensor irrigation can help conserve water by using less water.


Soil sensor irrigation is an important technological advance in agriculture, which can increase crop yields, save water, reduce costs, improve soil and promote the future development of smart agriculture