Books

1. Taking Care of What We Have: Participatory Natural Resource Management on the Caribbean Coast of Nicaragua
   

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2. Planting an Inheritance: Life on a Pennsylvania Farm
   

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3. Crops And Environmental Change: An Introduction To Effects Of Global Warming, Increasing Atmospheric CO2 And O3 Concentrations, And Soil Salinization On Crop Physiology And Yield
   

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4. An Introduction to the Environmental Physics of Soil, Water and Watersheds
   

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5. The Medicinal Plant Industry
   

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Books