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  1. 61
    The English improver improved, or, The survey of husbandry surveyed : discovering the improveableness of all lands ... /
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  2. 62
    Essai sur l'amelioration des terres.
    by Pattullo, Henry
    Published 1759
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  3. 63
    The English improver, or, A new survey of husbandry : discovering to the kingdome that some land, both arrable and pasture, may be advanced double or treble, other land to a five or tenfold and some to a twentyfold improvement, yea some not now worth above one or two shillings per acree be made worth thirty or forty, if not more /
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  4. 64
    Husbandry anatomized, or, An enquiry into the present manner of testing and manuring the ground in Scotland for most part : and several rules and measures laid down for the better improvement thereof ... /
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  5. 65
    Dissertation sur la tourbe de Picardie : qui a remporté le prix au jugement de l'Académie des sciences, belles-lettres & arts d'Amiens, en l'année 1754 /
    by Bellery, Monsieur
    Published 1755
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  6. 66
    Generalized soil productivity for field crops /
    Published 1975
    Map
  7. 67
    Generalized soil productivity for canning crops /
    Published 1975
    Map
  8. 68
    Healthy soils for sustainable gardens /
    Published 2009
    Book
  9. 69
    Quantifying landscape factors influencing soil productivity and the environment ... annual report.
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    Government Document Serial
  10. 70
    A chemical and microbiological study of Lufkin fine sandy loam in relation to productiveness /
    Government Document Book
  11. 71
    Povyshenie ėffektivnosti mineralʹnykh udobreniĭ /
    Povyshenie ėffektivnosti mineralʹnykh udobreniĭ /
    Повышение эффективности минеральных удобрений /
    Book
  12. 72
    Povyshenie ėffektivnosti primenenii︠a︡ udobreniĭ v oroshaemom zemledelii /
    Povyshenie ėffektivnosti primenenii︠a︡ udobreniĭ v oroshaemom zemledelii /
    Повышение эффективности применения удобрений в орошаемом земледелии /
    Book
  13. 73
    Site establishment practices influence loblolly pine mortality throughout the stand rotation /
    by Sanchez, Felipe Garza
    Published 2010
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    Government Document eBook
  14. 74
    Site establishment practices influence loblolly pine mortality throughout the stand rotation /
    by Sanchez, Felipe Garza
    Published 2010
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    Government Document eBook
  15. 75
    Evaluating soil risks associated with severe wildfire and ground-based logging /
    Published 2011
    PURL
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    Government Document eBook
  16. 76
    Validating visual disturbance types and classes used for forest soil monitoring protocols /
    Published 2012
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    Government Document eBook
  17. 77
    Soil health and climate change /
    Published 2011
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  18. 78
    Quantifying and monitoring nutrient cycling, carbon dynamics and soil productivity at field, watershed and regional scales ... annual report.
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    Government Document Serial
  19. 79
    Ten-year results from the Long-Term Soil Productivity Study in aspen ecosystems of the northern Great Lakes region /
    by Voldseth, Richard
    Published 2011
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    Government Document eBook
  20. 80
    Impact of biomass harvesting on forest soil productivity in the northern Rocky Mountains /
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    Government Document eBook
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