Nature protection. Soils. Classification of chemicals for pollution control
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Protection of Nature. Soils. General requirements for the classification of soils according to the effect on them of chemical pollutants
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Nature protection. Soils. General requirements for the classification of soils in accordance with the impact of chemical pollutants on them
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Nature protection. Soils. Methods for determining the capacity of caption exchange
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Nature protection. Recultivation of land. Method of determining pH water extraction of overburden and enclosing rocks
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Nature protection. Recultivation of lands. Method of measurement and sum calculation of toxic salts in overburden and enclosing rocks
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Soils. Methods of laboratory determination of organic composition
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Soils. Methods for determination of total nitrogen
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Soils. Determination of mobile compounds of phosphorus and potassium by Chiricov method modified by CINAO
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Soils. Determination of mobile compounds of phosphorus and potassium by Machigin method modified by CINAO
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Soils. Determination of mobile compounds of phosphorus and potassium by Oniani method modified by CINAO
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Soils. Determination of mobile compounds of phosphorus and potassium by Kirsanov method modified by CINAO
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