The Fertilising Value and Nitrifiability of Humic Materials Prepared from Coal (With Three Text-figures.).
| Autor: | Crowther, E. M., Brenchley, Winifred E. |
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| Zdroj: | Journal of Agricultural Science; Jan1934, Vol. 24 Issue 1, p156-176, 21p |
| Databáze: | Complementary Index |
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