An ample water supply is probably the greatest advantage of soil submergence for irrigated rice.
大量供水可能对灌溉水稻淹水土壤有很大好处。
Weighted average method is used to study the soil cover′s effect on the evapotranspiration in irrigated watershed.
利用灌区下垫面分类明显的特点，用加权平均法解决下垫面对流域蒸散发的影响；
Potted cultivation was used to study the chloride distribution in different tobacco plant organ, and the relation of chloride content with soil, applied fertilizer and irrigated water in tobacco leaf.
应用盆栽法研究了氯在烤烟中的分布以及土壤、施肥与灌溉水含氯量对烟叶氯含量与分布的影响。
And irrigation just exacerbates things; irrigated water comes from rivers and lakes and is slightly saltier than rain, so it adds salt directly to the soil while speeding the water table's rise.
而灌溉会使情况更糟：灌溉水来自河里或湖里盐分比雨水略多些，所以它除了增加土壤盐分外还加速了水位的上涨。
The field experiments were carried out to investigate the effects of urea and resin coated urea on yield and economic benefit of corn planted in aeolian sandy soil and irrigated desert soil.
田间试验对比研究了树脂包衣尿素和普通尿素在灌漠土和风沙土两种土壤上种植玉米的肥料投入产出效益和产量差异。
In the irrigated areas, the soil salinity changes seasonally and decreases as a whole along with the process of irrigation and drainage.
在灌区内土壤盐分随灌溉和排水而呈现季节性变化，但整体上处于脱盐状态。
We have studied the change law of soil moisture and evapotranspiration in irrigated farmland of corn which is the principal crop of dry farmland in Liaoning province.
以辽宁省主要旱地作物玉米为研究对象，研究了其灌溉田土壤水分变化及其耗水规律。
Saline soil with salt content greater than 0.3% is widely distributed and accounts for 77.7% of the total irrigated area.
灌区盐碱土以全盐量大于0.3％的中度以上盐碱土分布较广，占灌区面积的77.7％。
The ground water level and Salinity of soil in the Hetao irrigated area in the Inner Mongolia exit notable seasonal changes and the peak period of salt deposit occurs in spring and autumn.
内蒙古河套灌区地下水位与土壤盐分存在明显的季节性变化，春、秋两季为积盐高峰期。
The effects of root system of corn, bean and wheat on the fractionation of copper, lead, cadmium and zinc in rhizosphere in farmland soil irrigated with wastewater were studied.
采用根垫法研究了玉米、大豆和小麦根际环境对污灌土壤中铜、镉、铅、锌形态的影响。
The soil irrigated with mixed water was inclined to light alkali.
再生水浇灌的土壤已接近轻度碱化土，且有加深的趋势；
Besides, the rise of the salt content of irrigated water will increase salt content of the surface soil remarkably.
灌水矿化度的升高会显著增加土壤表层的含盐量。
Besides, the rise of the salt content of irrigated water will increase salt content of the surface soil remarkably.
灌水矿化度的升高会显著增加土壤表层的含盐量。
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