subirrigation
Also known as: subsurface irrigation
Quick Summary
Subirrigation is a method of irrigation where water is applied below the surface of the soil. This can be achieved by a natural rise in the water table or through an artificial system, such as underground porous pipes. This technique is less common than surface or sprinkler irrigation and requires an impermeable layer beneath the root zone to trap water. The goal is to deliver water directly to the plant's roots, making it an efficient way to water land for agricultural production.123
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