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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
21/02/2014 |
Actualizado : |
22/02/2014 |
Autor : |
Formento, N.; Burne, Z.; Firpo, R. |
Título : |
Comportamiento sanitario de cultivares de trigo en siembra directa |
Fecha de publicación : |
1997 |
Fuente / Imprenta : |
ln: Congreso Latinoamericano de Fitopatologia, 9 : 1997 oct 12-17 : Montevideo Libro de resumenes. Montevideo (Uruguay): Sociedad Uruguaya de Fitopatologia, 1997. |
Páginas : |
p60 |
Idioma : |
Español |
Thesagro : |
ENFERMEDADES DE LAS PLANTAS; RENDIMIENTO DE CULTIVOS; SIEMBRA DIRECTA; TRIGO; VARIEDADES. |
Asunto categoría : |
-- |
Marc : |
LEADER 00671naa a2200205 a 4500 001 1045347 005 2014-02-22 008 1997 bl uuuu u00u1 u #d 100 1 $aFORMENTO, N. 245 $aComportamiento sanitario de cultivares de trigo en siembra directa 260 $c1997 300 $ap60 650 $aENFERMEDADES DE LAS PLANTAS 650 $aRENDIMIENTO DE CULTIVOS 650 $aSIEMBRA DIRECTA 650 $aTRIGO 650 $aVARIEDADES 700 1 $aBURNE, Z. 700 1 $aFIRPO, R. 773 $tln: Congreso Latinoamericano de Fitopatologia, 9 : 1997 oct 12-17 : Montevideo Libro de resumenes. Montevideo (Uruguay): Sociedad Uruguaya de Fitopatologia, 1997.
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| Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha actual : |
21/02/2014 |
Actualizado : |
30/09/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
B - 1 |
Autor : |
MORON, A.; COZZOLINO, D. |
Afiliación : |
DAVID ALEJANDRO MORON YACOEL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; DANIEL COZZOLINO GÓMEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Determination of macro elements in alfalfa and white clover by near-infrared reflectance spectroscopy. |
Fecha de publicación : |
2002 |
Fuente / Imprenta : |
Journal of Agricultural Science, December 2002, Volume 139, Issue 4, pages 413-423. |
DOI : |
10.1017/S0021859602002605 |
Idioma : |
Inglés |
Notas : |
Article history: Revised MS received 19 August 2002. |
Contenido : |
Summary: Near-infrared reflectance spectroscopy was used to assess the mineral composition of both alfalfa (Medicago sativa L.) and white clover (Trifolium repens L.). Alfalfa (n=230) and white clover (n=97) plant samples from different locations in Uruguay representing a wide range of soil types were analysed. The samples were scanned for reflectance in a NIRSystems 6500 monochromator (NIRSystems, Silver Spring, MD, USA). Predictive equations were developed using modified partial least squares (MPLS) with cross validation to avoid overfitting. The coefficients of determination in calibration (R_{\rm cal}^{2}) and the standard errors in cross validation (SECV) were 0·93 (SECV: 1·6), 0·95 (SECV: 1·3), 0·93 (SECV: 1·9), 0·88 (SECV: 2·7), 0·82 (SECV: 0·3) and 0·75 (SECV: 4·7) for alfalfa and 0·98 (SECV: 0·8), 0·52 (SECV: 0·8), 0·97 (SECV: 2·7), 0·83 (SECV: 3·1), 0·82 (SECV: 1·9) and 0·45 (SECV: 2·6) for white clover, for N, Ca, K, P, Mg and S in g/kg on a dry weight respectively. Calcium, nitrogen and potassium were well predicted by NIRS in both alfalfa and white clover samples. |
Palabras claves : |
MAGNESIUM; MINERAL CONTENT. |
Thesagro : |
CALCIUM; MEDICAGO SATIVA; NIRS; POTASSIUM. |
Asunto categoría : |
F01 Cultivo |
Marc : |
LEADER 01852naa a2200229 a 4500 001 1035490 005 2019-09-30 008 2002 bl uuuu u00u1 u #d 024 7 $a10.1017/S0021859602002605$2DOI 100 1 $aMORON, A. 245 $aDetermination of macro elements in alfalfa and white clover by near-infrared reflectance spectroscopy.$h[electronic resource] 260 $c2002 500 $aArticle history: Revised MS received 19 August 2002. 520 $aSummary: Near-infrared reflectance spectroscopy was used to assess the mineral composition of both alfalfa (Medicago sativa L.) and white clover (Trifolium repens L.). Alfalfa (n=230) and white clover (n=97) plant samples from different locations in Uruguay representing a wide range of soil types were analysed. The samples were scanned for reflectance in a NIRSystems 6500 monochromator (NIRSystems, Silver Spring, MD, USA). Predictive equations were developed using modified partial least squares (MPLS) with cross validation to avoid overfitting. The coefficients of determination in calibration (R_{\rm cal}^{2}) and the standard errors in cross validation (SECV) were 0·93 (SECV: 1·6), 0·95 (SECV: 1·3), 0·93 (SECV: 1·9), 0·88 (SECV: 2·7), 0·82 (SECV: 0·3) and 0·75 (SECV: 4·7) for alfalfa and 0·98 (SECV: 0·8), 0·52 (SECV: 0·8), 0·97 (SECV: 2·7), 0·83 (SECV: 3·1), 0·82 (SECV: 1·9) and 0·45 (SECV: 2·6) for white clover, for N, Ca, K, P, Mg and S in g/kg on a dry weight respectively. Calcium, nitrogen and potassium were well predicted by NIRS in both alfalfa and white clover samples. 650 $aCALCIUM 650 $aMEDICAGO SATIVA 650 $aNIRS 650 $aPOTASSIUM 653 $aMAGNESIUM 653 $aMINERAL CONTENT 700 1 $aCOZZOLINO, D. 773 $tJournal of Agricultural Science, December 2002, Volume 139, Issue 4, pages 413-423.
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