您要查找的是不是：
- Application and Analysis of Seepage Control Technique with Vertically Paving Membrane in Qingtongxia Irrigation Area. 垂直铺膜防渗技术在青铜峡灌区的试用及分析。
- The spatial distribution of crop variety and corresponding planting area in Qingtongxia irrigation area, Ninxia Autonomous, China, is monitored by means of remote sensing. 摘要利用卫星图像对青铜峡灌区进行了2004年作物种植结构遥感监测，获得了各类主栽作物的种植面积及其空间分布。
- Analysis of grey relation degree of reference crops evapo-transpiration and meteorological variables in Qingtongxia Irrigation Area 青铜峡灌区参考作物蒸发蒸腾量与气象因子的灰色关联度分析
- Qingtongxia irrigation area 青铜峡灌区
- The effective irrigation area is 72.74 million mu. 农业有效灌溉面积479万公顷。
- Effects of summer fallow in Guanzhong irrigation area. 关中灌区夏季休闲效果评价。
- Present Conditions and Thinking of Canal Lining in Luohuiqu Irrigation Area. 洛惠渠灌区渠道衬砌现状与思考。
- Ditch rider; waterman Person responsible for supervising an irrigation area. 灌区管理员负责监管灌区的人员。
- The irrigated area amount to 20000 ha. 灌溉面积共达二万公顷。
- Study on Lining Technique of Seepage Control of Canal in Caodian Irrigation Area. 曹店灌区渠道防渗衬砌技术研究。
- Dry mountain climate, with the size of the artificial water channel 6, the effective irrigation area of 2398 mu. 山下气候干燥，有大小人工引水渠道6条，有效灌溉面积2398亩。
- The larger irrigation area and potash fertilizer input per unit has,the higher soil salinization probability will be. 同时单位面积上钾肥使用量越高，耕地发生盐渍化的概率也越高。
- This paper makes the calculation of diving pump hold power steel beem for rebuilding the head of channel pump station at Da ang Irrigation Area. 对大昂灌区渠首泵站换泵更新改造进行了潜水泵持力钢梁验算,结果表明,该泵站换泵更新改造方案是可行的。
- The Zero Flux Plane (ZFP) principle and method are applied to study the farmland evapotranspiration in Beijing Fangshan water-saving irrigation area. 摘要应用土壤水分零通量面的原理方法，对北京房山节水灌溉区进行了研究。
- Zhenlai irrigation area is located at the Songnen plain on the west bank of Nenjiang river in the northwestward of Jilin province. 镇赉灌区位于吉林省西北部边缘嫩江西岸松嫩平原。
- The existing motor-pumped 4670, irrigated area of over 98%. 现有机井4670眼，水浇地面积达98%25以上。
- The essential proposals for addressing the secondary saline-alkalization in the irrigation area are suggested in the end. 实践中通过完善灌排管理、提高常规灌溉技术的灌溉效率，逐步进行种植业的结构调整，是塔里木灌区灌溉农业持续发展的基础。
- About 94% of Australia's production is grown in Queensland with 5% in NSW and the remainder in Western Australia's Ord River Irrigation Area. 澳大利亚94%25左右的甘蔗种植于昆士兰州，5%25左右在新南威尔士州，其他的分布于澳大利亚西部的奥德河流灌溉地区。
- The key research topics for addressing the secondary saline-alkalization in the irrigation area were suggested in the end. 最后，在综合分析的基础上，提出了基于可持续灌溉农业和遏制灌区农业副效应目标下的对策与建议。
- The causes of danger or risk in aqueducts are discussed,with the Paizi River Aqueduct in the irrigation area of Danjiangkou Reservoir as an example. 针对湖北省大中型灌区混凝土渡槽普遍存在老损率高、破坏严重、制约灌溉效益发挥的现象,以引丹灌区排子河渡槽为研究对象,探讨渡槽出现病险的原因。
