Carbon balances in US croplands during the last two decades of the twentieth century
| Autor: | Lokupitiya, E., Paustian, K., Easter, M., Williams, S., Andrén, O., Kätterer, T. |
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| Zdroj: | Biogeochemistry, 2012 Feb 01. 107(1/3), 207-225. |
| Databáze: | JSTOR Journals |
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