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- AN OTIMUM DESIGN OF THE SINGLE--STAGE UNDERGROUND DRAIN PIPE SYSTEM OF THE IRRIGATED AREA IN THE AREA OF THE BEND OF THE YELLOW RIVER IN NINGXIA 宁夏河套灌区单级暗管排水系统的优化设计
- the irrigated area in Ningxia 宁夏灌区
- Yellow River irrigated area in Ningxia Province 宁夏引黄灌区
- The irrigated area amount to 20000 ha. 灌溉面积共达二万公顷。
- Importing of Pipe Drainage Key Technology for Yinbei Irrigation Area in Ningxia Hui Autonomous Region 宁夏银北灌区暗管排水关键技术的引进
- Study on the Volumes of Water Diverted from the Yellow River to the Irrigated Area in the Great Bend of the Yellow River 内蒙古河套灌区引用黄河水量分析
- Expedite Water Saving Tune-up, Push forward Reform and Promote Sustainable Development of the Irrigated area. 狠抓节水改造积极推进改革促进灌区可持续发展。
- The turf type ryegrass (?Lolium perence?) varieties, Napoleon, Thetramax, Mikado, Juventus, Pimpernel, Simberia, Burton, Tonga, Taya, Figaro, Sakini, Tivolia, Pickwick, are appropliate planting in the irrigation area of Ningxia. 供试 13个多年生黑麦草 (Loliumperenne)品种Napoleon、Thetramax、Mikado、Juventus、Pimpernel、Simberia、Burton、Tonga、Taya、Figaro、Sakini、Tivolia、Pick wick均适宜在宁夏引黄灌区种植。
- There is a large hilly area in the northwest. 西北部有一大片丘陵地带。
- In this paper,the eco-economic types of new irrigated area in Wuzhong City were preliminary divided and studied through main component analysis. 本文应用主分量分析法,对吴忠新灌区生态经济类型进行了初步划分与研究。
- Construction of channel concrete seepage controlling and water saving works is an effect measure for increasing the irrigated area of the farmland and reducing the dissipation of water resources. 渠道混凝土防渗节水工程是提高农田灌溉面积,减少水资源浪费的有效措施之一。
- Optimization Technology of the Well Irrigation Project of Irrigated Area in. 宁夏银北灌区工程优化配套技术。
- Yanchi County is one of the most serious counties among the Ningxia Hui Autonomous Region, which desertification area is believed to occupy 39.4% of the total desertification area in Ningxia. 摘要盐池县是于夏回族自治区土地沙化最严重的县之一,其沙化土地面积占全自治区的39.;4%25。
- A new biomass sand stabilization material (BSSM) synthesized from straw pulping effluent has been used in an experiment of sand stabilization and vegetation restoration in a desert area in Ningxia. 在宁夏沙漠化地区开展了利用禾草制浆废液合成的新型生物质固沙材料对固沙和植物生长作用的研究。
- Physiology Factors of Spring Wheat in Response to Field Microclimate Factors in the Irrigation Area in Ninxia 宁夏灌区春小麦生理因子对田间微气象因子的响应
- On the basis of calculation and analysis, this paper put forward the major measures which could improve agricultural resources potential productivities of the Alar irrigated area in South Xinjiang. 在此基础上,对提高本地区农业资源生产潜力的主要措施进行了讨论。
- The degradation of the ecological environment in the southern mountainous areas in Ningxia is chiefly caused by man - made destructions since modern times. 宁南山区的生态环境退化,主要是近代以来人为破坏造成的。
- The water in the irrigating ditch was well up. 灌溉渠里涨满了水。
- the irrigated area of Pihe River 淠河灌区
- Poor planning deforested the area in several years. 因规划很差,这地区的树林几年内已被乱砍滥伐。