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  1. 21
    Simulation of nitrogen behaviour in soils/

    Simulation of nitrogen behaviour in soils/ by Beek, J.

    Published 1973
    Subjects:
    Book

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  2. 22
    Handbook on phosphate fertilization.

    Handbook on phosphate fertilization.

    Published 1980
    Subjects:
    Book

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  3. 23
    Handbook on phosphate fertilisation.

    Handbook on phosphate fertilisation.

    Published 1978
    Subjects:
    Book

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  4. 24
    Potassium symposium : 12 papers read at the Fourth Congress of the International Potash Institute (4 sessions), Madrid 1958.

    Potassium symposium : 12 papers read at the Fourth Congress of the International Potash Institute (4 sessions), Madrid 1958.

    Published 1958
    Subjects:
    Conference Proceeding Book

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  5. 25
    Soil and fertilizer phosphorus in crop nutrition /

    Soil and fertilizer phosphorus in crop nutrition /

    Published 1953
    Subjects:
    Book

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  6. 26
    Soil and fertilizer nitrogen : review study with particular reference to plant nutrition and environmental protection /

    Soil and fertilizer nitrogen : review study with particular reference to plant nutrition and environmental protection / by Winteringham, F. P. W.

    Published 1984
    Subjects: “…Soils Nitrogen content.…”
    Book

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  7. 27
    Sodicity, hydraulic conductivity and swelling of clay soils /Donald Sidney McIntyre and J. Loveday.

    Sodicity, hydraulic conductivity and swelling of clay soils /Donald Sidney McIntyre and J. Loveday. by McIntyre, Donald Sidney

    Published 1979
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    Book

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  8. 28
    The reserve base of U.S. coals by sulfur content : 2. The Western States /

    The reserve base of U.S. coals by sulfur content : 2. The Western States / by Hamilton, Patrick A.

    Published 1975
    Subjects: “…Coal United States Sulphur content.…”
    Book

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  9. 29
    Advances in nitrogen cycling in agricultural ecosystems : proceedings of the Symposium on Advances in Nitrogen Cycling in Agricultural Ecosystems held in Brisbane, Australia, 11-15th May 1987 /

    Advances in nitrogen cycling in agricultural ecosystems : proceedings of the Symposium on Advances in Nitrogen Cycling in Agricultural Ecosystems held in Brisbane, Australia, 11-15...

    Published 1988
    Subjects:
    Conference Proceeding Book

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  10. 30
    Ferrolysis, a soil forming process in hydromorphic conditions

    Ferrolysis, a soil forming process in hydromorphic conditions by Brinkman, R.

    Published 1979
    Subjects: “…Soils Iron content…”
    Thesis Book

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  11. 31
    Phosphate response of rice in Indonesian paddy fields /

    Phosphate response of rice in Indonesian paddy fields /

    Published 1984
    Subjects: “…Soils Indonesia Phosphorus content.…”
    Book

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  12. 32
    Determination of sulphur in soils and plant material /

    Determination of sulphur in soils and plant material / by Beaton, James D.

    Published 1968
    Subjects: “…Soils Sulphur content.…”
    Book

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  13. 33
    Some studies on determination of available phosphorus in Papua New Guinea soils /

    Some studies on determination of available phosphorus in Papua New Guinea soils / by Velayutham, K.S

    Published 1981
    Subjects: “…Soils Papua New Guinea Phosphorus content.…”
    Book

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  14. 34
    The reserve base of U.S. coal by sulfur content (in two parts). 1. The Eastern States /

    The reserve base of U.S. coal by sulfur content (in two parts). 1. The Eastern States / by Thomson, Robert D.

    Published 1975
    Subjects: “…Bituminous coal Sulfur content.…”
    Book

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  15. 35
    The role of nitrogen in grassland productivity : a review of information from temperate regions /

    The role of nitrogen in grassland productivity : a review of information from temperate regions / by Whitehead, D. C.

    Published 1970
    Subjects:
    Book

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  16. 36
    Characteristics of processed foods from whole cowpeas (Vigna Sinensis) /

    Characteristics of processed foods from whole cowpeas (Vigna Sinensis) / by Sales, Miranice Gonzaga

    Published 1980
    Subjects:
    Book

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  17. 37
    Longman business English usage /

    Longman business English usage / by Strutt, Peter

    Published 1992
    Subjects:
    Book

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  18. 38
    Sodium intake--dietary concerns

    Sodium intake--dietary concerns

    Published 1982
    Subjects: “…Food Sodium content…”
    Book

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  19. 39
    Application of nitrogen-fixing systems in soil improvement and management

    Application of nitrogen-fixing systems in soil improvement and management by Hamdi, Y.A

    Published 1982
    Subjects:
    Book

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  20. 40
    Oxidized nitrogen in waters, 1981.

    Oxidized nitrogen in waters, 1981.

    Published 1982
    Subjects:
    Book

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