From above mentioned, we can get a lot of information about wheat production, soilassessment and nutrition diagnosis.
并对土壤营养物质进行了模糊聚类分析，为土壤评价、小麦生产营养诊断提供了可靠信息。
2
It was found that the soil reclaimed by fly ash was, as a whole, polluted according to common soilassessment standards.
结果发现：以土壤本底值作为评价标准时，粉煤灰充填复垦土壤整体处于受污染状态。
3
The principle, characteristics and its current application in classification, fertility, pollution and corrosion of soil environmental quality assessment in recent years are reviewed in the paper.