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  1. 1
    Annual report of Porto Rico Agricultural Experiment Station for 1906.
    Published 1906
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    Government Document eBook
  2. 2
    Annual report of Porto Rico Agricultural Experiment Station for 1907.
    Published 1907
    Connect to the full text of this electronic document
    Government Document eBook
  3. 3
    Annual report of Porto Rico Agricultural Experiment Station for 1908.
    Published 1908
    Connect to the full text of this electronic document
    Government Document eBook
  4. 4
    Annual report of Porto Rico Agricultural Experiment Station for 1909.
    Published 1909
    Connect to the full text of this electronic document
    Government Document eBook
  5. 5
    Porto Rican coffee exported from U.S.
    Published 1906
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    Government Document eBook
  6. 6
    Coffee in Porto Rico.
    Published 1910
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    Government Document eBook
  7. 7
    Fungus diseases of coffee in Porto Rico.
    Published 1915
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    Government Document eBook
  8. 8
    Some profitable and unprofitable coffee lands.
    Published 1917
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    Government Document eBook
  9. 9
    Coffee leaf spot (Stilbella flavida) in Porto Rico.
    Published 1921
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    Government Document eBook
  10. 10
    Coffee varieties in Porto Rico.
    Published 1924
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    Government Document eBook
  11. 11
    Experiments with fertilizers for coffee in Porto Rico.
    Published 1926
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    Government Document eBook
  12. 12
    Effect of topping on yield of coffee in Porto Rico.
    Published 1928
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    Government Document eBook
  13. 13
    Suggestions on coffee planting for Porto Rico.
    Published 1912
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    Government Document eBook
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