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。

From above mentioned, we can get a lot of information about wheat production, soil assessment and nutrition diagnosis.

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目前，评价土壤中金属植物有效性的方法主要有：化学提取法、植物吸收试验、微生物和酶活性试验及同位素法。

The main methods now to evaluate Pb availability in soil are chemical extraction, plant adsorption, microbial and enzyme activation and isotopes tests.

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土壤入渗性能是评价土壤水源涵养功能的重要指标。

Soil permeability is an important index of evaluating water source conservation function.

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