Books

1. Plants, People, and Culture: The Science of Ethnobotany (Scientific American Library Paperback)
   

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2. Mathematical Models of Crop Growth and Yield (Books in Soils, Plants, and the Environment, 91)
   

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3. Farm Management
   

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4. International Harvesters Tractor Data Book
   

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5. Rural Economy and Country Life in the Medieval West (Middle Ages Series)
   

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Books