Click on the image to view this article in Geography Review, Volume 23, November 2009.
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An innovative way for farmers to see where fertilisers are needed on their farmland.
(Source of picture: Voxy.co.nz)
You can find lots of information about fertilizers on the internet, try using the 'Website' option in the 'search box' box at the bottom of this page.
This 'Crash Course' video explains how Fritz Haber invented chemical fertilizer and the science behind fertilisers.
Find out more about Fritz Haber here.