The study on the constitute change of the concentration of soil water extract had great significance to research on the soil mechanism of fertilizing undecomposed corn.
土壤浸提液浓缩过程中物质成分变化的研究，认识玉米残体培肥土壤的机制也有重要意义。
The study on the constitute change of the concentration of soil water extract had great significance to research on the soil mechanism of fertilizing undecomposed corn.
土壤浸提液浓缩过程中物质成分变化的研究，认识玉米残体培肥土壤的机制也有重要意义。
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