dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Griffiths, A. B. (Arthur Bower),
    Publication info: London, Robert Sutton, 1908
    Holding Institution: Cornell University Library
    Subjects: Fertilizers  Fruit-culture  Manures  Organic wastes as fertilizer  Trees  
  2. By: Gile, P. L. (Philip Lindsey), - Carrero, J. O. (José Oriol),
    Publication info: Porto Rico Agricultural Experiment Station, 1918
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Guano  Organic wastes as fertilizer  Puerto Rico