perennial irrigation

Field experiments were carried out in Awati County in Xinjiang to study the effect of multifunctional water absorbant,nitrogen(N)fertilizer and their interaction on Xinhai 16 long-fibre cotton under water stress and well-watered condition.

在新疆阿瓦提縣進行了正常灌溉和虧缺灌溉條件下保水劑及保水劑與尿素配施在長絨棉新海16號施用效果的田間試驗。

To sum-up the law of negative hydraulic head irrigation system,comparing of tomato experiment under negative hydraulic head irrigation and normal irrigation was carried out,soil water content distribution under different water supply tension was studied,the difference of plant sap flow and water consume under two irrigation methods was also analyzed.

為了總結負水頭灌溉系統的供水規律,進行了負水頭灌溉與常規灌溉條件比較下栽培番茄實驗,分析了負水頭灌溉系統不同吸力值下的土壤含水率動態變化,同時分析了負水頭灌溉與常規灌溉耗水量以及植株蒸騰的差異。

QTL Analysis of Plant Height and Yield in Maize under Water Stress and Normal Irrigation Condition;

水分脅迫和正常灌溉條件下玉米株高、產量的QTL分析

design discharge of irrigation canal;normal flow of irrigation canal

灌溉渠道設計流量（正常流量）

Portable irrigation is on the increase.

移動式灌溉正在增加。

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.

采用噴霧灌溉或渠灌的甘蔗地超過50%，使用低壓高架灌溉器和滴水灌溉系統的正在增加。

To gain same yield, AFI need less water than CFI, its water saving efficiency is 33.3%.

收獲等產量的玉米 ,交替隔溝灌溉比常規灌溉省水 33.3%。

Study on Irrigated Water Distribution and Its Use Efficiency among Two Varieties of Cucumber with Different Growing Type under Traditional Irrigation

常規灌溉條件下兩種生長型黃瓜灌溉水分配及利用效率的研究

This paper presents calculation methods of irrigation system at irrigating area of Mopan Mountain in Wachang City and determines the best irrigating system of the irrigating area according to the analyzing comparison.

闡述了五常市磨盤山灌區灌溉制度的計算方法,經分析比較確定了該灌區的最佳灌溉制度。

Evapotranspiration and Water-saving Irrigation of Groundcover Plants in Common Use of Beijing Landscape;

北京常用園林地被植物蒸散與節水灌溉研究

What they are doing is transformation of arid land into irrigated fields.

他們正在做的工作就是變旱地為灌溉地。

They are already discovering how to colonise Venus and to irrigate the moon.

他們正在探索如何殖民于金星，和如何灌溉月球。

The Gray Remaining Modified Model s Application to the Forecasting of Irrigation Water Use;

灰色殘差修正模型在灌溉用水量預測中的應用

No extra water enters underground supplies. Water from above-ground irrigation system often carry salts and chemical fertilizers into such supplies.

沒有多余的水進入地下水源。而地面灌溉法的灌溉水常使各種鹽分和化肥進入地下水源。

Deep pipe irrigation can be especially useful on slopes and in crusty soils where surface applied water will run off.

描述:深度管道灌溉在斜坡和硬質土壤環境中非常適用，因為在那些地方地表灌溉浪費水資源。

China s Irrigation Management and Participatory Management;

中國灌溉管理與用水戶參與灌溉管理

Urea and ammonium nitrate solutions are most commonly used for N fertigation.

尿素和硝酸銨溶液是最常用的灌溉施肥氮肥品種。

The district where the experiment was carried out was the area watered by the Tennessee River in the U.S.A.

進行上述試驗的地區正是美國田納西河所灌溉的地區。

Farmers are being induced to switch to irrigation methods that use relatively low amounts of water;

農民們正受到指導來改變灌溉方式，從而使用相對少些的水；

Iran is building 88 dams for agriculture, hydro-electric power generation and drinking water.

伊朗正在興建88座水壩，提供灌溉、水力發電和飲水之用。