蒸散发条件下农田土壤水盐动态简化模型 关键词 蒸散发 根系吸水 水盐动态模型 [gap=1209]Key words Evaportranspiration，Crop root water uptake，Salt—water regime model
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The study status, the existing problems and the research in the future for the crop root water uptake models were summarized in this paper.
综述了作物根系吸水模型的研究现状、存在问题和研究展望。
The influence of root growing space of maize upon root physiological characteristics, nutrient uptake and crop yields were studied under conditions with and without supply of water and n.
在不供应和补充供应水、氮条件下，研究了限制根系生长空间对玉米根系生理特性、植株养分吸收及产量的影响。
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