Crops: Growing Problems

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Presentation transcript:

Crops: Growing Problems Lesson 1 Crops: Growing Problems © 2016 Johns Hopkins University

Monoculture Fishawk. "Corn Field." Flickr, 2010. Creative Commons CC BY 2.0.

Monoculture What Harvest in Idaho. USDA. Public domain.

Ecological Impacts Potential ecological impacts of industrial crop production: Soil erosion Decrease in bee populations Emergence of pesticide- resistant weeds Aquatic dead zones Depletion of phosphorous and fossil fuels Depletion of groundwater The 1930s Dust Bowl demonstrated the devastating potential of soil erosion. See the Crop Production primer for details. Photo credit: NOAA, 1935. Public domain.