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Variation of Soil Microbial Populations and Relationships Between Microbial Factors and Soil Nutrients in Cover Cropping System of Vineyard Variation of Soil Microbial Populations and Relationships Between Microbial Factors and Soil Nutrients in Cover Cropping System of Vineyard Effects of solarization on the cucumber root knot nematodes and soil environment under solar greenhouse Temporal changes of grassland vegetation, soil and soil microbial population in the Tianzhu alpine region Soil microbial properties under different grain-for-green patterns in depressions between karst hills Changes of soil properties in re-vegetation stages on sloping-land with purple soils in hengyang of Hunan Province, South-central China Effects of straw and living grass mulching on soil nutrients, soil microbial quantities and soil enzyme activities in a peach orchard