Books

1. Soil Acidity and Liming (Agronomy)
   

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2. Ecological and Evolutionary Aspects of Insecticide Resistance (Environmental Intelligence Unit)
   

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3. Blue Ribbon: A Social and Pictorial History of the Minnesota State Fair
   

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4. Farm Incomes, Wealth and Agricultural Policy
   

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5. Irrigation Principles and Practices 3ED
   

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Books