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  1. Annual illustrated catalogue of purity brand garden and field seeds specially selected for the southern planter /
    By: Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Robert Nicholson (Firm)
    Publication info: Dallas, Tex. :Robert Nicholson Seed Co.,1917.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Crops  Dallas  Farm supplies  Flowers  Grasses  Nurseries (Horticulture)  Nursery stock  Seed industry and trade  Seeds  Texas  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
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  2. Annual illustrated catalogue of purity brand garden and field seeds specially selected for the southern planter /
    By: Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Robert Nicholson (Firm)
    Publication info: Dallas, Tex. :Robert Nicholson Seed Co.,[1916]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Crops  Dallas  Farm supplies  Flowers  Grasses  Nurseries (Horticulture)  Nursery stock  Seed industry and trade  Seeds  Texas  Vegetables  
    BHL Collections: Seed & Nursery Catalogs
    View Book
  3. Cultures de remplacement pour les Prairies /
    By: Kiehn, Ferdinand A. - Canada.
    Publication info: Agriculture Canada,c1992.
    Contributed by: Agriculture and Agri-Food Canada (archive.org)
    Subjects: Alternative agriculture  Aspect économique  Canada  Crops  Cultures de plein champ  Prairie Provinces  Variétés  
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  4. Evaluation of the anti-oxidant ethylene diurea (EDU) as a protectant against ozone effects on crops (field trials) /
    By: Archambault, Daniel J. - Li, Xiaomei. - Alberta.
    Publication info: [Edmonton] :Alberta Environment,2002.
    Contributed by: University of Alberta Libraries (archive.org)
    Subjects: Alberta  Crops  Effect of atmospheric ozone on  Effect of chemicals on  Effect of ozone on  Environmental aspects  Ozone  Plants  
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  5. Ozone protection in plants : the potential use of chemical protectants to measure atmospheric oxidant damage in Alberta crops /
    By: Archambault, Daniel J. - Li, Xiaomei. - Slaski, Jan J. - Alberta.
    Publication info: Edmonton :Alberta Environment,2000.
    Contributed by: University of Alberta Libraries (archive.org)
    Subjects: Alberta  Crops  Effect of atmospheric ozone on  Effect of chemicals on  Plants  Plants, Protection of  
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  6. Response of barley, field pea, canola and tree seedlings to ethylene exposure : Alberta's ethylene/crop research project : report III /
    By: Archambault, Daniel J. - Li, Xiaomei. - Alberta Research Council.
    Publication info: Vegreville, Alta. :Alberta Research Council,2001.
    Contributed by: University of Alberta Libraries (archive.org)
    Subjects: Air  Alberta  Crops  Effect of air pollution on  Effect of ethylene on  Environmental aspects  Ethylene  Plants  Pollution  
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  7. Review of the U.S. Department of Agriculture's crop disaster assistance and 1993 crop quality issues : hearing before the Subcommittee on General Farm Commodities of the Committee on Agriculture, House of Representatives, One Hundred Third Congress, first session, September 28, 1993.
    By: United States.
    Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1994.
    Contributed by: Boston Public Library (archive.org)
    Subjects: Crop losses  Crops  Dept. of Agriculture  Disaster relief  Government policy  Management  Plants, Protection of  Quality  Research  United States  
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  8. Root-maggots and how to control them /
    By: Chittenden, F. H. - United States.
    Edition: 2d ed.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Agricultural pests  Control  Crops  Diseases and pests  Maggots  Roots (Botany)  
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  9. San Francisco County agricultural crop report.
    By: San Francisco (Calif.).
    Publication info: San Francisco :City and County of San Francisco, Dept. of Agriculture and Weights and Measures.
    Contributed by: San Francisco Public Library (archive.org)
    Subjects: Agricultural pests  California  Crops  Periodicals  San Francisco  Statistics  
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  1. Co-evolution of domesticated crops and associated weeds
    By: Guglielmini,Antonio C - Ghersa,Claudio M - Satorre,Emilio H
    Type: Article
    In: Ecología austral
    Date: 2007-06-01
    Subjects: Crops  Demographical processes  Evolutionary mechanisms  Weeds  
    View Article (External)