INFLUENCE OF OXALATE AND CITRATE ON P SORPTION PREVENTION AND THE RELEASE OF THE PRESORBED METALS BY GYPSUM-CALCITE SYSTEMS.
Fixed weight of calcite plus gypsum (1.25g of each) were first reacted with fixed levels (20 ppm of each) of Fe, Cu, Zn and Mn chlorides for 24 hours. Then fixed level of P (20 ppm) only or 0.1, 0.5, 1.0, 5.0, 10.0 and 15.0 mM organic carbon (O.C) L-1 from either oxalic or citric acid were introduc...
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| Autor principal: | |
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| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
Mansoura University, Faculty of Agriculture
2007-08-01
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| Colección: | Journal of Soil Sciences and Agricultural Engineering |
| Materias: | |
| Acceso en línea: | https://jssae.journals.ekb.eg/article_201343_133d27539572239d532c6bc4976af6c2.pdf |
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