Books

1. Phaseolus Spp. Bean Science
   

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2. The Diversion of Land : Conservation in a Period of Farming Contraction (The Natural Environment : Problems and Management Series)
   

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3. Saving Our Soil: Solutions for Sustaining Earth's Vital Resource
   

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4. No Pone Valley
   

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5. Der schweizerische Getreidebau und seine Geräte: Ein kulturgeschichtlicher Abriss
   

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Books