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Khan Academy Lectures - Agriculture

There are 3 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 10 - 18
1024 Views:
Firestick Farming - Khan Academy
From YouTube, produced by Sal Khan
Sal Khan relates how the indigenous Australians used fire to change their environment. (06:37)
August 25, 2011 at 09:49 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
849 Views:
Land Productivity Limiting Human Population - Khan Academy
From YouTube, produced by Sal Khan
Sal Khan tackles how we get calories from the land limits human population densities. (13:00)
December 29, 2011 at 11:33 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 14 - 18
433 Views:
Energy Inputs for Tilling a Hectare of Land - Khan Academy
From YouTube, produced by Sal Khan
Thinking about energy consumption for tilling land. (13:41)
June 9, 2012 at 08:26 AM
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