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  1. 21
    Artificial manures ; their chemical selection and scientific application to agriculture /
    by Ville, Georges, 1824-1897
    Published 1909
    Book
  2. 22
    The school of chemical manures ; or, Elementary principles in the use of fertilizing agents /
    by Ville, Georges, 1824-1897
    Published 1872
    Book
  3. 23
    Fertilizers ; the source, character and composition of natural, home-made and manufactured fertilizers, and suggestions as to their use for different crops and conditions /
    Book
  4. 24
    Fertilizers ; the source, character and composition of fertilizer materials ... /
    Book
  5. 25
    Soil fertility and sewage ; an account of pioneer work in South Africa in the disposal of town wastes /
    by Vuren, J. P. J. van
    Published 1949
    Book
  6. 26
    Fertilizers ; the source, character, and composition of natural, home made and manufactured fertilizers; and suggestions as to their use for different crops and conditions /
    Book
  7. 27
    Manures and fertilizers ; a text-book for college students and a work of reference for all interested in the scientific aspects of modern farming /
    Book
  8. 28
    An essay on calcareous manures /
    by Ruffin, Edmund, 1794-1865
    Published 1961
    Book
  9. 29
    More food from soil science ; the natural chemistry of lime in agriculture /
    Book
  10. 30
    La turba en sustitucion del estiercol ...
    by Bacal, Benjamin
    Published 1943
    Book
  11. 31
    Steinkohlenflugasche; Einfluss auf Boden, Pflanzen und Milchkühe /
    by Oberste-Brink, K.
    Published 1956
    Book
  12. 32
    The American muck book ; treating of the nature, properties, sources, history, and operations of all the principal fertilisers and manures in common use, with specific directions for their preparation, preservation, and application to the soil and to crops; as combined with the leading principles of practical and scientific agriculture; drawn from authentic sources, actual experience, and personal observation ... /
    Book
  13. 33
    Minerals fertilizers in Arkansas.
    Book
  14. 34
    Efficient fertilizer use in acid upland soils of the humid tropics /
    by Uexkull, H. R. von
    Published 1986
    Book
  15. 35
    Efficiency of nitrogen fertilizers for rice : proceedings of the Meeting of the International Network on Soil Fertility and Fertilizer Evaluation for Rice, Griffith, New South Wales, Australia, 10-16 April 1985.
    Published 1987
    Book
  16. 36
    Manures and the principles of manuring /
    by Aikman, Charles Morton
    Published 1910
    Book
  17. 37
    The response of crops and soils to fertilizers and manures.
    Book
  18. 38
    The response of crops and soils to fertilizers and manures.
    Book
  19. 39
    Commercial fertilizers : their sources & use /
    Book
  20. 40
    Commercial fertilizers, their sources & use /
    Book
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