Correlation analysis showed that groundwater depths had a significant relationship with soil physiochemical properties.
相关分析研究表明地下水位和土壤理化性质间相关关系显著。
A number of saline soil improvement materials were tested in meadow saline soils of the Hexi Corridor in terms of soil physiochemical properties, corn yield and economic effects.
选取河西走廊的草甸盐土区域，进行了盐碱土改良材料对草甸盐土理化性质和玉米产量及经济效益的影响研究。
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