求助研究生学姐学长~   有偿土壤检测~价格再议~

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测试项目    单位
pH    
Organic Material    %
Soil extract electrical conductivity    dS/m
Ammonium N-NH4    ppm
Nitrato N-NO3    ppm
N Available    ppm
Phosphorus Available    ppm
Exchangeable Potassium Level    cmol/kg
Potassium Available    ppm
Exchangeable Calcium Level    cmol/kg
Exchaneable Magenesium Level    cmol/kg
Exchaneable Sodium Level    cmol/kg
Base Sum    cmol/kg
Sulfur Available    ppm
Exchangeable Aluminum Level    cmol/kg
Effective Cation Exchange Capacity    cmol/kg
Al Saturation    %
K Saturation    %
Ca Saturation    %
Mg Saturation    %
Ca/Mg Relation    
K/Mg Relation    
Iron    ppm
Manganese    ppm
Zinc    ppm
Copper    ppm
Boron    ppm
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