National Chung Hsing University College of Agriculture and Natural Resources Soil Survey and Testing Center

Service

Analyzing Items
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    Soil Testing

    Physical:Texture, Water content, Ratio of gravel, Water-holding capacity/Volume water content(%), Max water-holding capacity/Mass water content(%), Bulk density, Porosity, Hydraulic conductivity, Puncture resistance (additional sampling fee)、Ash
    Chemical:
    pH, EC, Cation exchange capacity (CEC), OM/OC, Total-N, NH4+-N, NO3--N, Availble phosphorus, Alkalinity, NO3-, SO42-, F-, Cl-, Exchangeable Ca, Exchangeable Mg, Exchangeable K, Exchangeable Na, As, Hg, 0.1N HCl extractable (Cd, Cr, Cu, Ni, Pb, Zn, Fe, Mn), Aqua regia extractable (P, K, Ca, Mg, Cd, Cr, Cu, Ni, Pb, Zn, Ti, Na, Fe, Mn)
    Microbia:Total number of colonies, Total number of fungi colonies, Coliform group (Multiple-tube fermentation)
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    Water Testing

    Basic analysis:Suspended solid, Temperature, pH, EC, Total-N, NH4+-N, NO3--N, Cl-, F-, SO42-, As, Hg, P, K, Ca, Mg, Cd, Cr, Cu, Ni, Pb, Zn, Na, Fe, Mn
    Microbia in water:
    1.Total number of colonies (spread plate method)
     2. Total number of colonies (Pour plate method)
     3. 
    Number of coliform group (Multiple-tube fermentation)
     4. Coliform group in drinking water (Multiple-tube fermentation)
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    Organic fertilizer Test

    Organic Matter, Humic acid, Maturity of oranic matter, Total-N, NH4+-N, NO3--N, Total-P2O5, Total-K2O, Water soluble P2O5Water soluble K2O,  Citric acid soluble P2O5, Citric acid soluble K2O,、Ammonium citrate soluble P2O5, total-CaO, total-MgO, Water soluble CaO,  Water soluble MgO, Citric acid soluble CaO,  Citric acid soluble MgO, HCl soluble CaO, HCl soluble MgO, Mn, Water soluble Mn, Citric acid soluble Mn, B, Water soluble B, Citric acid soluble B, Alkalinity, SiO2, Water soluble SiO2, HCl soluble SiO2, S, Fe, Water soluble Iron, Water soluble Ferrous, Water soluble Cu, Water soluble Zn, Water soluble Mo, Water soluble Co, As, Hg, Cd, Cr, Cu, Ni, Pb, Zn, Ti, CHNS, NH2SO2H, Biuret nitrogen, HNO2, Free sulfuric acid, H2SO3Water contentpH, EC, Na, Cl, F, SO42-CNS 386 Sieve, Ash, Urea nitrogen, Early Substrate Dissolution Rate, Nireogen activity index, CaCN2Guanidine Nitrogen, Dicyandiamide-N, Sulfate (show by (NH4)2SOon report), CaC2, Na2CO3, Anhydrous sodium borate, Sulfate (show by K2SO4 on report), Carbonate (show by CO2 on report), Sulfate-derived MgO, Citric acid soluble P2O(Sum of contents by leaching original fertilizer for four times), Total number of colonies, Total number of fungi colonies, Coliform group (Multiple-tube fermentation)
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    Chemical fertilizer Testing

    Total-N, NH4+-N, NO3--N, Total-P2O5, Total-K2O, Water soluble P2O5Water soluble K2O,  Citric acid soluble P2O5, Citric acid soluble K2O,、Ammonium citrate soluble P2O5, total-CaO, total-MgO, Water soluble CaO,  Water soluble MgO, Citric acid soluble CaO,  Citric acid soluble MgO, HCl soluble CaO, HCl soluble MgO, Mn, Water soluble Mn, Citric acid soluble Mn, B, Water soluble B, Citric acid soluble B, Alkalinity, SiO2, Water soluble SiO2, HCl soluble SiO2, S, Fe, Water soluble Iron, Water soluble Ferrous, Water soluble Cu, Water soluble Zn, Water soluble Mo, Water soluble Co, As, Hg, Cd, Cr, Cu, Ni, Pb, Zn, Ti, CHNS, NH2SO2H, Biuret nitrogen, HNO2, Free sulfuric acid, H2SO3, Water contentpH, EC, Na, Cl, F, SO42-, CNS 386 Sieve, Ash, Urea nitrogen, Early Substrate Dissolution Rate, Nireogen activity index, CaCN2, Guanidine Nitrogen, Dicyandiamide-N, Sulfate (show by (NH4)2SOon report), CaC2, Na2CO3, Anhydrous sodium borate, Sulfate (show by K2SO4 on report), Carbonate (show by CO2 on report), Sulfate-derived MgO, Citric acid soluble P2O(Sum of contents by leaching original fertilizer for four times), Total number of colonies, Total number of fungi colonies, Coliform group (Multiple-tube fermentation)
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    Plant Testing

    Nitrate, Cl-, F-, SO42-, N, P, K, Ca, Mg, Na, As, Hg, Cd, Cr, Cu, Ni, Pb, Zn, Fe, Mn
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    Food Testing

    Food Microbiology (TFDA)
    Test of Standard Plate Count, Test of escherichia coli, Test of coliform group, Test of Mold and Yeast Count
    Heavy Metals in Foods (TFDA)
    As, Hg, Cd, Cr, Cu, Ni, Pb, Zn
    Pesticide Residues in Foods (TFDA)
    Method of Test for Pesticide Residues in Foods- Multiresidue Analysis (5)
    Method of Test for Pesticide Residues in Foods-Test of Dithiocarbamates, a Fungicide (2)
    Tested pesticides and their limit of quantification
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    Microbial fertilizerTesting

    Main analysis:Viable number of rhizobia, Viable number of free-living  nitrogen fixing bacteria, Viable number of phosphate solubilizing bacteria, Viable number of potassium solubilizing bacteria, Root colonizing of arbuscular mycorrhizal fungi (AMF), symbiotic nitrogen fixing activity, free-living  nitrogen fixing activity, Phosphate solubilizing activity, Potassium solubilizing activity, Number of arbuscular mycorrhizal fungi (AMF) spores, Microbial compound  fertilizer
    RestrictionsNumber of coliform group , Microbial contamination rate
    16S rRNA gene sequence analysis
 Technical Consulting Services
Outreach Education