The influence of volume weight of soil on maize seedlings growth was researched under condition of controlling water and fertilizers.

在控制水分、肥料的条件下，用盆栽试验研究土壤容重对玉米苗期生长的影响。

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The results showed that forest harvesting resulted in increase in soil volume weight, lessening porosity, and decline in function of water holding.

结果表明：森林采伐后土壤容重增大，孔隙度减小，土壤持水性能降低。

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It is suggested that compaction, volume weight of submerged soil and settling rate may be used as the diagnostic indices of soil settling compactability.

文中提出建议，可以土壤坚实度、浸水容重和沉淀曲线作为此类土壤的诊断指标。

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