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Unformatted text preview: (as is evident in data). - Decreased P uptake (outside of buffer area) directly causes some decline in coffee yield, and it also causes decline in N fixation and growth of Inga. - Less N fixation and growth by Inga leads to less leaf litterfall and lower N input to ecosystem outside of buffer area (as is indicated by data). - Lower N availability to coffee also contributes to bean yield loss. Possible short-term solution: Simply fertilize with P (or N and P), either in organic (e.g., manure) or inorganic form. (Organic vs. inorganic is an aside but the former promotes nutrient retention in ecosystem.)...
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This note was uploaded on 04/23/2009 for the course BIO 151 taught by Professor Grinblat during the Spring '08 term at Wisconsin.
- Spring '08