For clay, due to its good air permeability, even when the negative pressure of soil moisture is lower than 0-8Pa, the soil moisture content can be measured with a tensiometer. Its measuring range is largely affected by soil quality. Its advantages are: the structure and principle are relatively simple, it can be measured online in real-time, and the flow direction and penetration depth of water in the soil can be determined, but its shortcomings are also very prominent. These irrigation technologies generally have good water-saving performance and higher water utilization rates than traditional irrigation methods. Modern agricultural micro-irrigation technologies include micro-sprinkler irrigation, drip irrigation, and infiltration irrigation. However, the water utilization efficiency of ordinary sprinkler irrigation technology is not high. Besides, ordinary sprinkler irrigation technology is a common irrigation method in agricultural production. ![]() It is a very unreasonable agricultural irrigation method. However, this type of irrigation method often consumes large amounts of water and has low water utilization. Traditional surface irrigation includes border irrigation, furrow irrigation, submerged irrigation, and flood irrigation. Agricultural irrigation methods can generally be divided into traditional surface irrigation, ordinary sprinkler irrigation, and micro-irrigation. Agricultural irrigation mainly refers to irrigation operations carried out in agricultural farming areas.
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