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  1. The mulched-basin system of irrigated citrus culture and its bearing on the control of mottle-leaf /
    By: Briggs, Lyman J. - Jensen, Charles A. - McLane, J. W.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1917.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  2. Seasonal nitrification as influenced by crops and tillage. By C. A. Jensen...
    By: Jensen, Charles A.
    Publication info: Washington,Govt. print. off.,1910.
    Contributed by: Library of Congress
    BHL Collections: Library of Congress
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