soil

Here are all the clips related to the Term : soil

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Tim Crews :
How did phosphorus shape early agriculture? (2/4)

Related terms: agricultural ecology, agriculture, biogeochemistry, Biology, Earth Science, Geography, people, phosphorus, Public lecture, Social Studies, soil

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Tim Crews :
How have human activities transformed the phosphorus cycle? (4/4)

Related terms: agricultural ecology, biogeochemistry, Biology, Earth Science, Geography, human impacts, limiting nutrients, Public lecture, Social Studies, soil, sustainability