Micro irrigation is the frequent application of small quantities on, above or below the soil surface, by surface drip, subsurface drip, micro sprayers or micro sprinklers. Water is applied as discrete or continuous drop, tiny streams or miniature sprays through emitters or application placed along a water delivery line near the plant. Micro irrigation is characterized by low flow rate , long duration irrigation, frequent irrigation, water applied near or into the root zone of plants and low pressure delivery systems.