The results indicated that the potential yield increase was greater in the soil loss region of Loess Plateau, and the present yield only reached 74.
结果指出，该区粮食增产潜力很大，目前整体产量水平仅达到试区攻关水平的74。
Soil salinity is one of chief environmental factors that limit the crop yield potential.
土壤盐渍化是降低农作物产量的主要环境因素之一。
The high yield technique on the rice ridge cultivation were discussed from soil structure, water-thermal regime, oxidation-reduction potential and microorganism activity in paddy soils.
本文从土壤结构、水分、温度、氧化还原电位以及微生物活性等方面分析了水稻半旱栽培技术增产的原因。
Because of the erratic rainfall patterns in Australia, it is often considered that soil moisture sets the upper limit on crop yield potential.
由于澳大利亚降雨类型多变，人们常认为土壤水分给作物产量定了上限。
Because of the erratic rainfall patterns in Australia, it is often considered that soil moisture sets the upper limit on crop yield potential.
由于澳大利亚降雨类型多变，人们常认为土壤水分给作物产量定了上限。
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