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تاريخ النشر: 1998.
الناشرون: University of Illinois at Urbana-Champaign, College of Agricultural, Consumer and Environmental Sciences, Dept. of Crop Sciences, University of Illinois Extension
المساهمون: Biodiversity Heritage Library
المجموعات: Biodiversity Heritage Library
التصنيف: Others
الموضوعات: Field crops--Illinois. , Soils--Illinois--Testing. , Weeds--Control--Illinois.
كلمات مفتاحية: Field crops Illinois. Soils Illinois Testing. Weeds Control Illinois.