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| Firstname: | D.K |
| Surname: | Friessen |
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| Residual Effect of Lime and Leaching of Calcium in a Kaolinitic Utisol in the High Rainfal Tropics, Friessen, D.K, Juo, A. S. R. and Miller, M. H., in: Soil Science Society of America Journal, volume 46, 1982. |
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| Lime-Phosphorus-Zinc Interactions in Two Nigerian Ultisols, Friessen, D.K, Juo, A. S. R. and Miller, M. G., 1978. |
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