IRRIGATION AUTOMATION USING RESISTIVE SOIL MOISTURE SENSOR
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 1
Abstract
Irrigation by help of freshwater resources in agricultural areas has a crucial importance. Because of highly increasing demand for freshwater, optimal usage of water resources has been provided with greater extent by automation technology and its apparatus such as solar power, drip irrigation, sensors and remote control. The resistive type of moisture sensor is made up of two electrode probes to pass current through the soil, and then we read that resistance to get the moisture level. More water makes the soil conduct electricity easily (less resistance), while dry soil conducts electricity poorly (more resistance). When the soil is dry condition the sensor measures the resistance and converts into volts. Soil moisture sensor and relay actuates the solenoid valve. If solenoid valve open, the pump is ON then the flow will take place by automatic water controller pump. While the soil is wet condition, the solenoid valve closes. At the same time automatic water controller pump is stop due to high pressure of water flow then the pump is automatically OFF position. In present days, especially farmers are facing major problems in watering their agriculture fields, it’s because they have no proper idea of when the power is available so that they can pump water. Even after then they need to wait until the field is properly watered, which makes them stop doing other activities. Here is an idea that helps not only farmers even for watering the gardens also, which senses the soil moisture and switches the pump automatically when the power is ON. Automatic Irrigation System is very useful to the farmers.
Authors and Affiliations
A. SELVAPERUMAL, I. MUTHUCHAMY
Keywords
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