Research status and trend of surface irrigation;
地面灌溉的研究现状与发展趋势
Development and performance measurement of water depth measuring device applied for surface irrigation;
地面灌溉水深测量仪的研制及性能测试
Diurnal changes of photosynthesis of winter wheat under sprinkler irrigation and surface irrigation conditions;
喷灌与地面灌溉条件下冬小麦光合作用的日变化研究
This paper put forward a practicable greenland irrigation fuzzy control system based on weather forecast information.
本文提出了一种能够充分利用气象预报信息的绿地灌溉模糊控制系统,并通过采用MATLAB软件对该控制系统进行了仿真研究。
Aiming at the problem between a lot of water use and seriously lack of water on urban greenland,greenland irrigation fuzzy controller based on weather forecast information was developed.
针对目前城市绿地巨大的耗水量与城市严重缺水之间的矛盾,设计了一种能够充分利用气象预报信息的绿地灌溉模糊控制器。
Study on sands experiment of a new type of underground irrigation douche;
新型地下灌溉灌水器的沙地试验研究
The feasibility and mechanism analysis of a penetrable pipe for soil base in the field used to irrigate and drain was disccued by mpns of the analyais of present underground irrigation systems.
通过对现有地下灌溉系统的分析，论述了田间地下土基透水管灌溉、排水兼用的可行性及机理分析。
By way of developing the research of sands underground irrigation experiment,it was discovered that diminishing the unit time existing discharge,extending the efficacious i.
在沙地开展的地下灌溉试验表明,减小灌水器的单位时间出流量,延长有效灌溉时间,并在灌水器下方铺设35 cm×35 cm塑料薄膜,可使该微润灌水器适合在沙地应用。
Surge flow irrigation is a new surface irrigation technique developed in1980' s.
涌流灌溉是80年代发展起来的一项地面灌溉新技术。
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
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
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。
"Underground drip irrigation uses less water than traditional aboveground irrigation methods. and because the water remains underground, less water is lost to evaporation. "
地下灌溉比传统的地面灌溉耗水量更少。因为水始终在地下，水分蒸发更少。
Border check irrigation; strip irrigation : Flood irrigation in which land is divided into Border strips and water is delivered into each strip from a head or field ditch at its upper end.
畦面灌溉;条灌:把地块分成畦沟,使灌溉用水从水头或灌渠较高一端流到另一端的灌溉方法。
The settlers irrigated the arid land.
移民们灌溉干燥的土地。
"How do you irrigate your fields?" he asked.
“你怎样灌溉田地？”他问道。
irrigate desert areas to make them fertile
灌溉荒芜地区使之肥沃.
The most nearby source of water for irrigation may be the ground water reservoir underneath.
灌溉用的最近水源，可能就是地面底下的地下水水库。
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。
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。
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。
Humic Acid Foliar Application to Minimize Soil Applied Fertilization of Surface-irrigated Wheat
叶面喷施腐植酸可使地表灌溉小麦的底肥量降到最低
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。
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；
More than50% of cane land is irrigated, mainly by sprays or flooding of furrows. Use of low-pressure overhead irrigators and drip systems is increasing.
采用喷雾灌溉或渠灌的甘蔗地超过50%，使用低压高架灌溉器和滴水灌溉系统的正在增加。
The Change of Effectively Irrigated Land Area in China during the Past 20 Years;
近20年我国有效灌溉面积动态分析