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Showing 1 - 15 results of 15 for search '"Harpenden"', query time: 0.02s Refine Results
  1. 1
    The Rothamsted field experiments on the growth of wheat /
    Book
    “…Commonwealth Bureau of Soil Science, Harpenden, England. Technical communication ;…”
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  2. 2
    The soil nitrogen index and its calibration with crop performance to improve fertilizer efficiency on arable soils /
    Book
    by Robinson, J. B. D.
    Published 1975
    “…Special publication (Commonwealth Bureau of Soils (Harpenden, Hertfordshire)) ;…”
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  3. 3
    Rothamsted experimental station : guide.
    Book
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  4. 4
    Proceedings of the First Commonwealth Conference on Tropical and Sub-Tropical Soils, 1948 /
    Conference Proceeding Book
    Published 1949
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  5. 5
    Modern trends in the form of published accounts /
    Book
    by Waldron, R. S. (Robert Sydney)
    Published 1960
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  6. 6
    Bibliography of publications relating to coffee soils and fertilisers.
    Book
    Published 1934
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  7. 7
    Bibliography of publications relating to tobacco soils and fertilisers.
    Book
    Published 1933
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  8. 8
    Monthly letter /
    Serial
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  9. 9
    Soil survey laboratory methods /
    Book
    Published 1974
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  10. 10
    Land use capability classification
    Book
    by Bibby, J. S. (John Selwyn)
    Published 1969
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  11. 11
    The practice of soil conservation in the British Colonial Empire /
    Book
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  12. 12
    Micromorphological techniques and applications /
    Book
    Published 1970
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  13. 13
    The spectrographic analysis of soils, plants and related materials /
    Book
    by Mitchell, R. L.
    Published 1948
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  14. 14
    Details of the classical and long-term experiments ...
    Journal
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  15. 15
    Bibliography of soil science, fertilizers and general agronomy.
    Journal
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