To overcome these disadvantages, the results of frequency analysis of net irrigation requirement are recommended to determine the probability in this paper.
针对这种情况 ,推荐使用对灌区作物净灌溉需水量 (或称缺水量 )进行频率分析。
Impact of crop structure change on irrigation water demand in the basins of Yellow River, Huaihe River and Haihe River;
黄淮海流域片种植结构变化对灌溉需水的影响与预测分析
Agricultural Irrigation Water Requirement and Its Regional Characteristic in China;
全国农业灌溉需水量及区域特性研究
Computing and Study on Irrigation Requirement in Field of Bojili Irrigation District;
簸箕李灌区田间灌溉需水量计算与研究
Spatial distribution characteristics of irrigation water requirement for main crops in China
中国主要作物灌溉需水量空间分布特征
Impacts of climate change on irrigation water requirements of rice:a case study of Gaoyou Irrigation Area,Jiangsu
气候变化对水稻灌溉需水量的影响——以高邮灌区为例
Irrigation water requirement by winter wheat in Huanghuai Plain: Affecting facto rs and characteristics in different climatic years.
黄淮平原冬小麦灌溉需水量的影响因素与不同年型特征
Study on Water Demand and Irrigation Scheduling for Drip-irrigated Muskmelon under Mulch Film in Greenhouse
温室膜下滴灌甜瓜需水量及灌溉制度的研究
And it requires huge amounts of money to make use of it for drinking and irrigation.
要将海水加工为饮用或灌溉水需要大量的资金。
Water Requirement Prediction of Artificial Pasture and Optimizing of Its Irrigation Schedule in Northwestern China;
西北牧区人工牧草需水量预报及灌溉制度优化
Theory and Technology of Plant-Based Precision Irrigation in Orchard
基于果树需水信号的精量灌溉控制理论与技术
Rice Water Requirement Forecast Based on BP Artificial Neural Networks and Irrigation Programming;
基于BP人工神经网络的水稻需水量预测及灌区灌溉制度研究
Analysis on Water Use Demand for Irrigation and the Development of Water-Saving Irrigation;
灌溉用水需求分析与节水灌溉发展研究
Research of Soybean Water Requirement and Schedule with Drip Irrigation;
滴灌大豆需水规律及灌溉制度的研究
Research on the Relationship between Irrigation Water Price and Irrigation Water in Drought Oases
干旱绿洲区灌溉水价与灌溉用水量关系研究
Study on Water-saving Mechanism and Calculating Methods of Crop Water Requirement in Controlled Alternative Furrow Irrigation;
控制性交替隔沟灌溉的节水机理与作物需水量估算方法研究
Study on Water-saving Irrigation and Water Requirement of Zizyphus Mauritiana Lam. in Dry-hot River Valley;
金沙江干热河谷节水灌溉及台湾青枣需水量研究
The threat of erosion also is reduced because no water flows on the surface and because tomatoes are given only the amount of water they need.
因为灌溉水不流经地表，又因灌水量与番茄的需水量相符，所以土壤流失的危险随之减少。
Calculation of Water Requirement for Summer Corn under Controlled Alternative Furrow Irrigation;
控制性交替隔沟灌溉条件下夏玉米需水量的计算
Comparing Different Methods of Calculating Crop Water Requirement & Study on Limited Irrigation Forecasting;
作物需水量计算方法比较与非充分灌溉预报研究