Effects of cover cropping system on soil moisture content and water storage in a vineyard Root zone soil nutrient change of vineyard with different planting years and related effect on replanted grape growth Geographical distribution of vineyard cultural heritagein the world and its causes of formation Path Analysis Between Soil Microbial Biomass and Soil Nutrient Contents 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 Variation of Soil Microbial Populations and Relationships Between Microbial Factors and Soil Nutrients in Cover Cropping System of Vineyard