Drip irrigation is sometimes called trickle irrigation and involves dripping water onto the soil at very low rates (2-20 liters/hour) from a system of small diameter plastic pipes fitted with outlets called emitters or drippers. Water is applied close to plants so that only part of the soil in which the roots grow are wet
Drip irrigation is the type of irrigation in which the water is supplied through small pipes .These pipes have small holes through which water passes drop by drop.Drip irrigation is a good practice in agriculture to prevent water wastage. Hope this helps you