22各流域节水灌溉面积

2—2各流域节水灌溉面积(2006年)Water-savingIrrigatedAreabyRiverValley(2006)单位：千公顷(1000hectares)节水灌溉喷滴灌面积合计Water-Jetting流域片RiverValleysavingandIrrigatedDroppingAreaIrrigation全国NationalTotal22426.02823.8松花江区SonghuajiangRiver2209.21052.0辽河区LiaoheRiver966.3335.6海河区HaiheRiver4021.5572.1黄河区HuangheRiver2996.7222.7淮河区huaiheRiver3427.1267.8长江区ChangjiangRiver3712.4110.4东南诸河区SoutheasternRivers1107.345.8珠江区zhujiangRiver1082.018.5西南诸河区SouthwesternRivers187.60.6西北诸河区NorthwesternRivers2715.7198.2微灌低压管灌渠道防渗其他工程节水TinyLowLeakage-OtherIrrigationPressurefreeFormsofPipeChannelWater-Irrieationsaving754.95263.79593.63989.88.2112.269.7967.232.7389.3195.513.236.82199.5755.6457.559.2991.11468.3255.349.5931.9981.61196.326.6342.92750.3482.222.190.8851.497.24.239.9636.4383.00.95.3162.018.8514.7160.81722.8119.2