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Nutrient cycling and fertilizers PDFs from Feb. 13 lecture

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Submitted by scheuers on Wed, 02/14/2007 - 4:21pm.
PDF articles on industry viewpoints of fertilizers from Tuesday lecture are attached below.
AttachmentSize
high yield agriculture00-1p04.pdf143.13 KB
fertilizers USGS fs155-99.pdf302.06 KB
fertilizer institute farmpolicy 2007.pdf343.19 KB
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