Books

1. Methods for Risk Assessment of Transgenic Plants: Competition, Establishment and Ecosystem Effects
   

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2. Crop-Water Relations
   

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3. Fundamentals Of Electricity For Agricuture
   

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4. Turfgrass Installation, Management and Maintenance
   

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5. Years of Struggle: The Farm Diary of Elmer G. Powers, 1931-1936 (Iowa Heritage Collection)
   

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Books