Drip Irrigation method, also called drop by drop irrigation, and underground irrigation, functions as its name imply, Drop by Drop, water is distributed to the active root zone of plants. This method, if managed properly, might be the most water-supply-efficient way of irrigation, because runoff and evaporation reduced significantly. Drip irrigation in today's agriculture, is frequently integrated with plastic sheet, further diminishing evaporation, and is also a method of fertilizers delivery to the plants. This process called fertigation (fertilizer + irrigation). DIY DripKits, complete professional drip systems.drip irrigation systems maintenance drip systems installation guide Rivulis accuired and merged Euro Drip.