Drip Irrigation: An Introduction

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Drip irrigation is the slow, even application of low-pressure water to soil and plants using plastic tubing placed near the plants’ root zone. It is an alternative to sprinkler or furrow methods of irrigating crops.
Drip irrigation can be used for crops with high or low water demands. Drip irrigation can help you use water efficiently. A well-designed drip irrigation system loses practically no water to runoff, deep percolation, or evaporation. Agricultural chemicals can be applied more efficiently with drip irrigation. Since only the crop root zone is irrigated, nitrogen already in the soil is less subject to leaching losses, and applied fertilizer can be used more efficiently.

Clint Shock
Oregon State University Extension Service