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Use of surface, subsurface and micro-drip irrigation systems The gardens were Iranian Pistachio familiar with the practice and had a growing number of pistachio pistachios Is. These systems wet only part of the soil surface. Generally surface Optimal wetting is recommended for about 40 to 60% of the garden surface. Advantages of irrigation suction system over other systems: 1- They provide higher water distribution uniformity than other systems. 2- They provide excellent control over the amount and time of irrigation. Irrigation courses Very short daily irrigation with drip irrigation system can be adapted Water needs of trees to be used. Surface runoff and deep infiltration due to the application of values Low water volume is also minimized during irrigation. Due to the short irrigation cycle in This system creates very good soil moisture conditions 3- Irregular lands can be easily irrigated. 4_ Weed growth because only part of the surface is wet At least it arrives. Disadvantages of micro-irrigation systems: 1- The initial cost of running the system is high 2 - The need for careful management in system maintenance to prevent droplet clogging Emitters are caused by physical particles, organic matter or chemical deposits. Because the water in the system is under pressure, it requires a lot of energy. Of course The required pressure is usually less than sprinkler systems, but compared to Flood irrigation systems require more energy.