The glauconitic levels of the Salamanca Formation, Chubut its agronomic effectiveness as a potassium fertilizer alternative
The Maastrichtian-Early Palaeocene Salamanca Formation and equivalent marine sequences show several glaucony levels, which could be used as a source of potassium and could partially replace current fertilizer requirements met from import. First agronomic assays are shown comparing the efficiency of...
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| Formato: | Artículo |
| Lenguaje: | Español |
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| Acceso en línea: | http://ri.agro.uba.ar/files/download/articulo/2010Castro.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a The glauconitic levels of the Salamanca Formation, Chubut |b its agronomic effectiveness as a potassium fertilizer alternative |
| 246 | 0 | 0 | |a Los niveles glauconíticos de la Formación Salamanca, Chubut |
| 520 | |a The Maastrichtian-Early Palaeocene Salamanca Formation and equivalent marine sequences show several glaucony levels, which could be used as a source of potassium and could partially replace current fertilizer requirements met from import. First agronomic assays are shown comparing the efficiency of greensands [GL] with a traditional potassium fertilizer [KCl]. Prospection and sampling took place in the heads of Rio Chico to east of Lago Colhué Huapi, Chubut, where glauconitic levels thickness reach to 20m. This research was separated in phases: phase 1, prospection, sampling, and sedimentological and chemical routine analyses, phase 2a, concentration and ore treatment assays, and phase 2b, agronomic assays. This last phase, was done in culture chamber, with 125 um and 250 um fractions [2,85 and 2,82 percent K 2O respectively] and KCl. Varying the dose, seven treatments were completed. In successive harvests [four in total] was observed that GL1 and GL2 [125], did not present a significantly differential behavior with the control. Both treatments of GL 250 um showed major accumulated biomass, overcoming the control in 44 and 60 percent respectively. As conclusion, better results were obtained by 250 um overcoming even to the KCl fertilization. Probably the major participation of K feldspars in the 125 um and fast leaching of K in this fraction during successive irrigations of soil would originate the minor observed yield. The great areal extension of the Salamanca Formation and the continuity of the glauconitic levels encourage continuing the evaluation as fertilizer or amendment. | ||
| 653 | 0 | |a GLAUCONITIC SANDSTONES | |
| 653 | 0 | |a POTASSIUM ALTERNATIVE SOURCES | |
| 653 | 0 | |a POTASSIUM FERTILIZER | |
| 653 | 0 | |a SALAMANCA FORMATION | |
| 653 | 0 | |a AGRONOMY | |
| 653 | 0 | |a BIOASSAY | |
| 653 | 0 | |a FELDSPAR | |
| 653 | 0 | |a FERTILIZER APPLICATION | |
| 653 | 0 | |a GLAUCONITE | |
| 653 | 0 | |a IRRIGATION | |
| 653 | 0 | |a LEACHING | |
| 653 | 0 | |a POTASSIUM | |
| 653 | 0 | |a SANDSTONE | |
| 653 | 0 | |a SOIL REMEDIATION | |
| 653 | 0 | |a ARGENTINA | |
| 653 | 0 | |a CHUBUT | |
| 700 | 1 | |9 67542 |a Castro, Liliana Norma | |
| 700 | 1 | |a Scasso, Roberto A. |9 69072 | |
| 700 | 1 | |a Branzini, Agustina |9 36836 | |
| 700 | 1 | |a Zubillaga, Marta Susana |9 6436 | |
| 700 | 1 | |a Fazio, Ana M. |9 72330 | |
| 700 | 1 | |a Tourn, Selvia M. |9 72331 | |
| 700 | 1 | |a Zubillaga, María de las Mercedes |9 7188 | |
| 773 | |t Revista de la Asociación Geológica Argentina |g vol.66, no.3 (2010), p.391-398 | ||
| 856 | |u http://ri.agro.uba.ar/files/download/articulo/2010Castro.pdf |i En internet |q application/pdf |f 2010Castro |x MIGRADOS2018 | ||
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| 900 | |a ^tThe glauconitic levels of the Salamanca Formation, Chubut^sits agronomic effectiveness as a potassium fertilizer alternative | ||
| 900 | |a ^tLos niveles glauconíticos de la Formación Salamanca, Chubut^ssu efectividad agronómica como fuente alternativa de fertilizante potásico | ||
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| 900 | |a ^aCastro^bL.N.^tDepartamento de Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina | ||
| 900 | |a ^aScasso^bR.A.^tConsejo Nacional de Investigaciones CientÃficas y Técnicas, CONICET, Argentina | ||
| 900 | |a ^aBranzini^bA.^tCátedra de Fertilidad y Fertilizantes, Facultad de AgronomÃa, Universidad de Buenos Aires, Buenos Aires, Argentina | ||
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| 900 | |a ^tRevista de la Asociación Geológica Argentina^cRev. Asoc. Geol. Argent. | ||
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| 900 | |a 391 | ||
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| 900 | |a Vol. 66, no. 3 | ||
| 900 | |a 398 | ||
| 900 | |a GLAUCONITIC SANDSTONES | ||
| 900 | |a POTASSIUM ALTERNATIVE SOURCES | ||
| 900 | |a POTASSIUM FERTILIZER | ||
| 900 | |a SALAMANCA FORMATION | ||
| 900 | |a AGRONOMY | ||
| 900 | |a BIOASSAY | ||
| 900 | |a FELDSPAR | ||
| 900 | |a FERTILIZER APPLICATION | ||
| 900 | |a GLAUCONITE | ||
| 900 | |a IRRIGATION | ||
| 900 | |a LEACHING | ||
| 900 | |a POTASSIUM | ||
| 900 | |a SANDSTONE | ||
| 900 | |a SOIL REMEDIATION | ||
| 900 | |a ARGENTINA | ||
| 900 | |a CHUBUT | ||
| 900 | |a The Maastrichtian-Early Palaeocene Salamanca Formation and equivalent marine sequences show several glaucony levels, which could be used as a source of potassium and could partially replace current fertilizer requirements met from import. First agronomic assays are shown comparing the efficiency of greensands [GL] with a traditional potassium fertilizer [KCl]. Prospection and sampling took place in the heads of Rio Chico to east of Lago Colhué Huapi, Chubut, where glauconitic levels thickness reach to 20m. This research was separated in phases: phase 1, prospection, sampling, and sedimentological and chemical routine analyses, phase 2a, concentration and ore treatment assays, and phase 2b, agronomic assays. This last phase, was done in culture chamber, with 125 um and 250 um fractions [2,85 and 2,82 percent K 2O respectively] and KCl. Varying the dose, seven treatments were completed. In successive harvests [four in total] was observed that GL1 and GL2 [125], did not present a significantly differential behavior with the control. Both treatments of GL 250 um showed major accumulated biomass, overcoming the control in 44 and 60 percent respectively. As conclusion, better results were obtained by 250 um overcoming even to the KCl fertilization. Probably the major participation of K feldspars in the 125 um and fast leaching of K in this fraction during successive irrigations of soil would originate the minor observed yield. The great areal extension of the Salamanca Formation and the continuity of the glauconitic levels encourage continuing the evaluation as fertilizer or amendment. | ||
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