有效灌溉面积,effective irrigation area
1)effective irrigation area有效灌溉面积
英文短句/例句
1.In addition, 5,608 irrigation areas were completed, with the coverage of effectively irrigated farmland totaling 22.06 million hectares.建成灌区5608处，有效灌溉面积2206万公顷。
2.A total of 1.1 million hectares of land were converted into farmland with effective irrigation system. Another 1.8 million hectares of land were guaranteed by water-saving irrigation systems.全国新增有效灌溉面积110万公顷，新增节水灌溉面积180万公顷。
3.Over 900,000 hectares of land were converted into farmland with effective irrigation system, another 1.40 million hectares of land were guaranteed by water-saving irrigation system.全年新增有效灌溉面积90多万公顷； 新增节水灌溉面积140多万公顷；
4.The Change of Effectively Irrigated Land Area in China during the Past 20 Years;近我国有效灌溉面积动态分析
5.Regional climate effects of large-scale agricultural irrigation related to South-to-North Water Transfer Project in China南水北调大面积农业灌溉的区域气候效应研究
6.Irrigated land represents only15 percent of global cropland but generates40 percent of the crops.全世界只有15%的种植面积是灌溉士地，却生产出40%的作物。
7.Effects of leaching salt on irrigation with harvested rainwater in accumulating salt orchards in semiarid regions半干旱山区积盐果园集雨灌溉洗盐效果研究
8.Optimization of Control Area about Irrigation System of Low-pressure Pipeline in Facility Agriculture设施农业低压管道灌溉系统控制面积优化
9.Elsewhere rainfall ranges from modest to abundant, and rivers and underground water permit extensive irrigation.其他地区的降雨量有的适中，有的充足，河流和地下水源可用作大面积的灌溉。
10.The new project of numerous canals and wells extended the farmland irrigation area, and the water conservancy business was developed.通过修建众多渠井工程,扩大了农田灌溉面积,农田水利事业有所发展。
11.Its ultimate aim is to provide year round irrigation facilities and increase the irrigable area of the country to higher limits.最终目标是更大限度的提供每年的灌溉设施和增加可灌溉的乡村面积。
12.The Effects of Water-Fertilizer Coupling on Island Cotton under the Condition of Irrigation;长绒棉地面灌溉条件下水肥耦合效应机理研究
13.Yield effects of water-fertilizer coupling on high-yield cotton under surface irrigation地面灌溉条件下高产棉田水肥耦合的产量效应
14.Effects of Irrigation Methods on Water Use Efficiency of Winter Wheat and NO_3~--N Accumulation in Soil灌溉方式对冬小麦水分利用效率及土壤中硝态氮积累的影响
15.Their total cultivated area is 500 mu, of which 300 mu is irrigate field.他们的全部可耕面积是五百亩,其中三百亩是可灌溉的土地。
16.Historical records also indicate a steady expansion in rice irrigation throughout the interval when methane values were rising.历史记载也指出，甲烷值上升期间，水稻灌溉的面积是稳定扩增的。
17.Evaluation on Availability of Field Irrigation Water for Crop Interplanting in Shallow Groundwater Irrigation Area;浅地下水位灌区套种模式下田间灌溉水有效性评价
18.No extra water enters underground supplies. Water from above-ground irrigation system often carry salts and chemical fertilizers into such supplies.没有多余的水进入地下水源。而地面灌溉法的灌溉水常使各种盐分和化肥进入地下水源。
相关短句/例句
irrigated area灌溉面积
3)water-saving irrigation area节水灌溉面积
4)suitable irrigation area适宜灌溉面积
1.Thesuitable irrigation area in the Hotan oasis is 14.在水热平衡基础上,同时考虑生态与环境的要求,建立了适宜绿洲规模以及适宜灌溉规模的数学模型,计算出和田绿洲的适宜面积为6080~7690km2,现状条件下和田绿洲规模已达8420 km2,略超出适宜规模;同时计算出和田绿洲的适宜灌溉面积为14。
5)irrigation benefit灌溉效益
1.Application of data enveloping analysis inirrigation benefit assessment;数据包络分析在灌溉效益评价中的应用
2.A study of the allotted coefficient of grassirrigation benefit;牧草灌溉效益分摊系数的研究
3.Water production function is a useful tool for the irrigation schedule making, theirrigation benefit analysis and the economical evaluation of irrigation projects.作物水分生产函数是制定灌溉计划、进行灌溉效益分析和经济评价的有效工具。
6)irrigation benefits灌溉效益
延伸阅读
有效灌溉面积有效灌溉面积有效灌溉面积灌溉工程或设备已基本配套，有一定水源，土地比较平整，在一般年景可以进行正常灌溉的耕地面积。有效灌溉面积是农田水利化的重要指标。中华人民共和国成立以后，农村的灌溉条件得到很大改善，有效灌溉面积大大增加。1992年全国有效灌溉面积达7.42亿亩，占总耕地面积的51.9%，是中国成立初期的3倍多。
