22各流域节水灌溉面积2007年

节水灌溉面积合计Water-savingIrrigatedArea喷滴灌JettingandDroppingIrrigation微灌TinyIrrigation全国NationalTotal23489.52876.5977.0松花江区SonghuajiangRiver2465.21163.09.6辽河区LiaoheRiver1006.3320.237.3海河区HaiheRiver4105.9516.746.0黄河区HuangheRiver3126.5236.759.1淮河区huaiheRiver3549.8267.150.1长江区ChangjiangRiver3851.4119.429.5东南诸河区SoutheasternRivers1160.043.119.3珠江区zhujiangRiver1132.516.64.3西南诸河区SouthwesternRivers197.80.90.9西北诸河区NorthwesternRivers2894.0192.9721.02-2各流域节水灌溉面积(2007年)Water-savingIrrigatedAreabyRiverValley(2007)单位：千公顷(1000hectares)流域片RiverValley低压管灌LowPressurePipeIrrigation渠道防渗Leakage-freeChannel其他工程节水OtherFormsofWater-saving5573.910058.14004.0124.874.71093.2429.0205.814.22324.0777.8441.41063.31547.0220.3967.91095.31169.5368.12864.6469.896.1901.1100.541.8696.4373.55.2164.826.1153.81730.695.72-2各流域节水灌溉面积(2007年)Water-savingIrrigatedAreabyRiverValley(2007)单位：千公顷(1000hectares)