土壤营养元素，是土壤中植物生长发育所必需的化学元素。
本文研究了硅元素对土壤中有效营养元素的影响。
Effect of silicon on effective nutritive element in soil was examined.
石灰性土壤中营养元素的状态和转化，对植物营养和环境质量有重要意义。
The state and transform of nutrient elements are important to plant nutrition and environmental quality in calcareous soils.
分析结果表明，排土场土壤质地差、无任何结构、渗透性差、土壤坚实、有效水分及营养元素含量低。
The results show that the soil quality is poor, with low effective moisture and nutritional elements, without no structure.
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