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  1. Nitrogen nutrition of tomatoes with foliar sprays of urea /
    By: Montelaro, James,
    Publication info: 1952.
    Contributed by: University of Florida, George A. Smathers Libraries
    Subjects: Dissertations, Academic  FU  Horticulture  Horticulture thesis Ph. D  Nutrition  Plants  Tomatoes  UF  Urea  
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  2. Studies on the absorption of nitrogen by citrus from foliar applications of urea /
    By: Chen, Wilfred Ching-ching,
    Publication info: 1953.
    Contributed by: University of Florida, George A. Smathers Libraries
    Subjects: Citrus fruits  Dissertations, Academic  FU  Horticulture  Horticulture thesis Ph. D  Nutrition  Plants  UF  Urea  
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  3. Ueber künstliche Bildung des Harnstoffs /
    By: Wöhler, Friedrich,
    Contributed by: Smithsonian Libraries
    Subjects: Organic compounds  Synthesis  Urea  
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  1. Control of Branchionus sp. and Amoeba sp. in cultures of Arthrospira sp.
    By: Méndez,Carlos - Uribe,Eduardo
    Type: Article
    In: Latin american journal of aquatic research
    Date: 2012-09-01
    Subjects: ammonium  Amoeba  Arthrospira  bicarbonate  Branchionus  Chile  predator control  Urea  
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  2. Intraspecific variations in colour morphs of Hypnea musciformis (Rhodophyta) in relation to nitrogen availability
    By: Martins,Aline P. - Yokoya,Nair S.
    Type: Article
    In: Hoehnea
    Date: 2010-09-01
    Subjects: ammonium  Hypnea musciformis  nitrate  Urea  
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