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Unformatted text preview: Soil as a Natural Resource Billions of Hectares Planet Earth Total 51 Land 15 Water 36 People 7 x 10 9 Land Area Total 15 Arable 1.5 Pasture 3.2 Forest 4.1 Arable Land- Produces crops, orchards, vineyards etc.- Assuming 7 billion people there are 0.21 hectares of arable land / person.- Equivalent to 0.52 acres/person, i.e., not much!...
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This note was uploaded on 06/21/2011 for the course NRES 201 taught by Professor Olson,k during the Spring '08 term at University of Illinois, Urbana Champaign.
- Spring '08