User:Pa38
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About Me:
- Manage the nitrogen cycle
Closing the global N2O budget: nitrous oxide emissions through the agricultural nitrogen cycle Arvin Mosier, Carolien Kroeze, Cindy Nevison, Oene Oenema, Sybil Seitzinger and Oswald van Cleemput, Nutrient Cycling in Agroecosystems, created October 1998, accessed 21 January 2009
- Advance personalized learning
Personalized Learning APLUS+, accessed 14 January 2009