以作物水分利用效率与产量为目标，得到了两类作物水肥优化耦合区域。
The coupled zones for optimal supplies of water and nutrients, for high yield and water use efficiency were identified through the established relationships.
证实了中等土壤水分可以提高作物水分利用效率(WUE)和获得较高产量。
It was approved that crop water use efficiency (WUE) was increased and the preferable yield was obtained in the moderate soil moisture.
秸秆覆盖能抑制土壤蒸发，增强作物蒸腾，从而提高作物水分利用效率，在旱地推广合理施肥和秸秆覆盖技术是提高作物产量的有效途径。
Mulch straw could increase WUE by reducing soil evaporation and increasing crop transpiration. The yield could be increased by using the technique of rational fertilizer a...
分析了不同处理的作物生长、产量反应及水分利用效率。
Crop growth, yield response and water use efficiency (WUE) under different treatments are analysed.
试验结果表明，我国华北地区实施保护性耕作有利于节约用水，提高水分利用效率，增加作物产量。
The experimental result shows that application of conservation tillage in North China Plain is benefit to saving water, enhancing water use efficiency and increase crop yield.
在旱地可以通过施用有机无机复混肥提高作物产量和水分利用效率。
It was concluded that the yield and water use efficiency of crops could be improved in dry land by applying the organic-inorganic fertilizers.
因此，研究如何提高干旱和半干旱地区作物产量和水分利用效率有较高的应用价值和现实意义。
Therefore, how to enhance arid and half arid area crops output and Water using efficiency has the important practical significance.
在田间及盆栽试验条件下，以小麦为主要实验材料，研究了干旱下无机营养与作物产量、生长、水分利用效率及抗旱性的关系。
The relationship between fertilizing and yield, growth, water use efficiency and drought-resistance of wheat were studied under field and pot conditions.
表明控制性分根交替滴灌(adi)能在不牺牲作物光合产物积累的前提下提高玉米的水分利用效率。
It suggested that ADI could improve the water use efficiency without sacrificing the accumulation of biomass.
这两套保护耕作体系有利于减轻水土流失，节省能源，增加作物产量，提高水分利用效率。
The 2 conservation tillage systems showed promise in reducing water and soil erosion, saving energy, increasing corn yield, and improving water use efficiency.
冬小麦不同层次水分利用效率高低及其随作物耗水的变化存在较大差异。
The WUE at different levels of winter wheat had a great variation in values and changes caused by crop water consumption.
应用表明，采用潮汐灌溉方式的作物，其生长量明显优于人工浇灌方式，还可减少用水量33%，提高水分利用效率40%，还可减少氮肥使用量。
This method can decrease water quantity 33%, promote water using efficiency 40% compared with pouring irrigation, can also decrease nitrogen fertilizer quantity as well.
通过田间定位试验，研究了水泥硬壳覆盖对盐渍化土壤蒸发、作物蒸腾、土壤盐分变化、作物生长发育状况、产量及水分利用效率的影响。
The effects of concret mulching on evaporation, transpiration, evapotranspiration, soil salt, yields of cotton and corn, water use efficiency were studied by field experiments.
灌溉量的增加，虽然提高了产量，却导致土壤水库中的水分不能被作物充分利用，造成了水分的无效蒸散浪费，降低了水分利用效率。
Although irrigation improved yield, crop under irrigation could not use the water of soil water reservoir. So irrigation made water waste uselessly and reduced WUE.
灌溉量的增加，虽然提高了产量，却导致土壤水库中的水分不能被作物充分利用，造成了水分的无效蒸散浪费，降低了水分利用效率。
Although irrigation improved yield, crop under irrigation could not use the water of soil water reservoir. So irrigation made water waste uselessly and reduced WUE.
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