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GGRC44H3 (12)
Lecture

Lecture 5

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Department
Geography
Course
GGRC44H3
Professor
Mark Juhasz
Semester
Fall

Description
Agriculture Resources SoilInitial conceptsThe earths living layer98 of food produced on landcrops and pasture 2 main food productionnot a lot of land is best for growing food for humanslarge part of land on earth not suitable for food productiono23 is water not suitableNBI Erosion of soil that has developed over a long timeHuman knowledge has known of how to manage soils and we DO KNOW now how to manage soils betterPresentfuture status of worlds soils1980s studies we can feed the world UNFAO look to uncultivated lands esp in Latin Americaointensify productivity with technologyBig Soil study 1990 Global Assessment of Soil DegradationoReduced soil depth water organic matterreduced cropsCanadaUSA soilconservation programs in Ontario OSCIAAddressing the Problem
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