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  1. 121
    Soil and plant testing as a basis of fertilizer recommendations /

    Soil and plant testing as a basis of fertilizer recommendations / von Cottenie, A.

    Veröffentlicht 1980
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  2. 122
    Application of nitrogen-fixing systems in soil improvement and management

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

    Veröffentlicht 1982
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  3. 123
    Manual of firemanship : a survey of the science of fire-fighting.

    Manual of firemanship : a survey of the science of fire-fighting.

    Veröffentlicht 1971
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  4. 124
    Organic recycling in Asia papers presented at the FAO /SIDA Workshop on the Use of Organic Materials as Fertilizers in Asia, held in Bangkok, 26 October-5 November 1976.

    Organic recycling in Asia papers presented at the FAO /SIDA Workshop on the Use of Organic Materials as Fertilizers in Asia, held in Bangkok, 26 October-5 November 1976.

    Veröffentlicht 1976
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  5. 125
    Organic recycling in Africa papers presented at the FAO /SIDA Workshop on the use of Organic Materials as Fertilizers in Africa, held in Buea, Cameroon, 5-14 December 1977.

    Organic recycling in Africa papers presented at the FAO /SIDA Workshop on the use of Organic Materials as Fertilizers in Africa, held in Buea, Cameroon, 5-14 December 1977.

    Veröffentlicht 1980
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  6. 126
    The earth's physical resources /

    The earth's physical resources /

    Veröffentlicht 1984
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