土壤养分有效性
availability of soil nutrient
养分有效性
Nutrient availability
nutrients availability
nutrient) availability
Availability of nutrients
成本有效性分析
cost effectiveness
Cost-effectiveness analysis (CEA
干扰有效性分析
jamming effectiveness analysis
聚类有效性分析
cluster validity analysis
clustering validity
提高有效养分利用率
raising efficiency of nutrients
土壤水分有效性
Validity of soil moisture
soil moisture availability
soil water availability
Soil water effectiveness
土壤有效养分
available nutrient of soils
Soil available nutrients
Available nutrient of soil
soil available nutrient
Available nutrients
Available nutrients in soil
土壤有效养分系数
soil available nutrient coefficient
土壤元素及有效性分异
Elements and their bio availabilities
系统有效性分析
system availability analysis
System effectiveness analysis
有效性分析
validity analysis
Analysis on effectiveness
Validation