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Soil and the Soil Ecosystem 1 Soil and the Soil Ecosystem 2 Why Study Dirt? 90% of the worldâs food comes from land based agriculture 22% of the land used for crops, grazing,…

Documents 1 Soil and the Soil Ecosystem. 2 Why Study Dirt? 90% of the world’s food comes from land based...

Soil and the Soil Ecosystem 1 Soil and the Soil Ecosystem 2 Why Study Dirt? 90% of the worldâs food comes from land based agriculture 22% of the land used for crops, grazing,…