Rezultati - "Agricultural conservation United States."

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  1. 1
    Crop production with conservation in the 80's : proceedings of the American Society of Agricultural Engineers Conference on Crop Production with Conservation in the 80's, December 1-2, 1980, Palmer House, Chicago, Illinois.

    Crop production with conservation in the 80's : proceedings of the American Society of Agricultural Engineers Conference on Crop Production with Conservation in the 80's, December...

    Izdano 1981
    Teme: “...Agricultural conservation United States....”
    Conference Proceeding Knjiga

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  2. 2
    Toward a more sustainable agriculture /

    Toward a more sustainable agriculture / od Poincelot, Raymond P., 1944-

    Izdano 1986
    Teme: “...Agricultural conservation United States....”
    Knjiga

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