您要查找的是不是:
- Ningxia irrigation area of yellow river 引黄灌区
- The Analysis and Developing Strategy on Dairy Industry of Ningxia'Irrigation Area 宁夏引黄灌区乳业发展的问题分析与对策
- Study of main crop irrigation system from meteorological factors in Litong region of Ningxia irrigation area 气象因子对吴忠市利通区主要农作物灌溉制度的影响研究
- The influence of digging well to combat drought on ecology of oasis in Ningxia irrigation area 宁夏引黄灌区抗旱打井对绿洲生态的影响
- Ningxia irrigation area 宁夏灌区
- Water-saving Planting Trial Result of Film-Mulching Maize in the Bottom of Sandy in Ningxia Irrigation Areas 宁夏扬黄灌区沙地底层铺地膜后节水种植玉米试验结果
- The effective irrigation area is 72.74 million mu. 农业有效灌溉面积479万公顷。
- The Relationship between the Population Dynamics of Spring Wheat Aphids and Climatic Factors in Ningxia Irrigating Area 宁夏灌区春小麦蚜虫种群动态与气象因子的关系
- According to the soil observation data,it analysed the present situation,developing trends and prevention way of soil salinization in the Honsibao Irrigation Area of Ningxia. 依据土壤详查资料,分析探讨了宁夏红寺堡灌区土壤盐化现状、发展趋势及防治途径。
- Effects of summer fallow in Guanzhong irrigation area. 关中灌区夏季休闲效果评价。
- 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。
- Ningxia irrigating area 宁夏灌区
- The ten main agronomic characters of twenty-seven rice varieties was investigated in this experiment in yellow river irrigation areas of Ningxia. 摘要分别考查了宁夏引黄灌区27个水稻品种的10个主要农艺性状,对达到显著差异的7个性状进行主成分分析,并对影响单株粒重的6个性状进行通径分析。
- 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。
- 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。
- 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。