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Impact of application of organic waste materials on microbial and enzyme activities of mine soils in the Lusatian coal mining region.[J]..Plant and Soil.2000, 1
[9]
Size and activity of soil microbial communities in long-term experimental grassland plots treated with manure and inorganic fertilizers.[J].D. W. Hopkins;R. S. Shiel.Biology and Fertility of Soils.1996, 1