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LY/T 1239-1999 Determination of pH value of forest soil
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LYT 1237-1999 Determination of Organic Matter in Forest Soil and Calculation of Carbon Nitriding
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HJ 804-2016 Determination of 8 Effective Elements in Soil Diethylenetriaminepentaacetic Acid Extraction-Inductively Coupled Plasma Atomic Emission Spectrometry
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HJ 634-2012 Soil-Determination of Ammonia Nitrogen, Nitrite Nitrogen and Nitrate Nitrogen-Potassium Chloride Solution Extraction-Spectrophotometry
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HJ 802-2016 Determination of soil electrical conductivity Electrode method
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HJ 614-2011 Soil-Determination of tetramine-Gas chromatographic method
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HJ 613-2011 Soil-Determination of dry matter and moisture-Gravimetric method
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HJ 631-2011 Soil-Determination of Exchangeable Acidity-Barium Chloride Extraction-Titration Method
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HJ 649-2013 Soil-Determination of exchangeable acidity-Potassium chloride extraction-titrimetric method
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