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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
23/09/2019 |
Actualizado : |
23/09/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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 : |
Application of near infrared reflectance spectroscopy for the analysis of organic C, total N and pH in soils of Uruguay. |
Fecha de publicación : |
2002 |
Fuente / Imprenta : |
Journal of Near Infrared Spectroscopy, 2002, Volume 10, Issue 3, Pages 215-221. |
DOI : |
10.1255/jnirs.338 |
Idioma : |
Inglés |
Contenido : |
Near infrared (NIR) reflectance spectroscopy was used to analyse samples (n = 332) from different soils from Uruguay (South America) for organic carbon (OC), total nitrogen (N) and pH. One set (n = 200) of samples randomly selected was used to develop the NIR calibrations while the remaining (n = 132) samples were used as the validation set. The samples were scanned in a small circular cup in reflectance mode (400?2500 nm), using a Foss NIRSystems 6500 (Silver Spring, MD, USA). Modified partial least squares (MPLS) was used to produce the calibration models and cross-validation was used to avoid collinearity effects among variables. Three mathematical treatments and four scatter corrections were also applied. The calibration coefficient of determination (R2 CAL) and the standard error in cross-validation (SECV) were 0.94 (SECV: 1.9) for OC; 0.91 (SECV: 0.19) for total N in g kg?1 and 0.93 (SECV:0.18) for pH, respectively. The simple correlation coefficient of validation (rVAL) and the standard errors of prediction (SEP) were 0.74 and 5; 0.73 and 0.4; 0.84 and 0.28 for OC, total N and pH, respectively. |
Palabras claves : |
ESPECTROSCOPIA INFRARROJA; NIR; ORGANIC CARBON; PH; REFLECTANCE SPECTROSCOPY; SUELOS DEL URUGUAY; TOTAL NITROGEN. |
Thesagro : |
NIRS; SUELOS. |
Asunto categoría : |
-- |
Marc : |
LEADER 01892naa a2200253 a 4500 001 1060210 005 2019-09-23 008 2002 bl uuuu u00u1 u #d 024 7 $a10.1255/jnirs.338$2DOI 100 1 $aMORON, A. 245 $aApplication of near infrared reflectance spectroscopy for the analysis of organic C, total N and pH in soils of Uruguay.$h[electronic resource] 260 $c2002 520 $aNear infrared (NIR) reflectance spectroscopy was used to analyse samples (n = 332) from different soils from Uruguay (South America) for organic carbon (OC), total nitrogen (N) and pH. One set (n = 200) of samples randomly selected was used to develop the NIR calibrations while the remaining (n = 132) samples were used as the validation set. The samples were scanned in a small circular cup in reflectance mode (400?2500 nm), using a Foss NIRSystems 6500 (Silver Spring, MD, USA). Modified partial least squares (MPLS) was used to produce the calibration models and cross-validation was used to avoid collinearity effects among variables. Three mathematical treatments and four scatter corrections were also applied. The calibration coefficient of determination (R2 CAL) and the standard error in cross-validation (SECV) were 0.94 (SECV: 1.9) for OC; 0.91 (SECV: 0.19) for total N in g kg?1 and 0.93 (SECV:0.18) for pH, respectively. The simple correlation coefficient of validation (rVAL) and the standard errors of prediction (SEP) were 0.74 and 5; 0.73 and 0.4; 0.84 and 0.28 for OC, total N and pH, respectively. 650 $aNIRS 650 $aSUELOS 653 $aESPECTROSCOPIA INFRARROJA 653 $aNIR 653 $aORGANIC CARBON 653 $aPH 653 $aREFLECTANCE SPECTROSCOPY 653 $aSUELOS DEL URUGUAY 653 $aTOTAL NITROGEN 700 1 $aCOZZOLINO, D. 773 $tJournal of Near Infrared Spectroscopy, 2002, Volume 10, Issue 3, Pages 215-221.
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30. | | OTERO, A.; GOÑI, C. Manejo del suelo en cítricos: algunos efectos del uso de mulches In: INIA (Instituto Nacional de Investigación Agropecuaria); Programa Nacional Producción Citrícola. Reduciendo incertidumbres: el riego en la productividad de los cítricos. Avances de investigación. Salto Grande, Salto (Uruguay): INIA, 2009. p. 54-59 (INIA Serie Actividades de Difusión ; 576)Biblioteca(s): INIA Las Brujas; INIA Tacuarembó. |
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33. | | Ley de riego Uruguay Forestal, 1997, no. 16, p. 23-24Biblioteca(s): INIA Tacuarembó. |
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35. | | GOÑI, C.; OTERO, A. Momentos de riego en Satsuma Owari, Spring Navel y Ellendale In: INIA (Instituto Nacional de Investigación Agropecuaria); Programa Nacional Producción Citrícola. Reduciendo incertidumbres: el riego en la productividad de los cítricos. Avances de investigación. Salto Grande, Salto (Uruguay): INIA, 2009. p. 28-48 (INIA Serie Actividades de Difusión ; 576)Biblioteca(s): INIA Las Brujas; INIA Tacuarembó. |
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36. | | GARCIA, C.; OTERO, A. Necesidades de agua de las pasturas. [Presentación oral]. In: INIA, PROGRAMA NACIONAL PASTURAS Y FORRAJES; SUL (SECRETARIADO URUGUAYO DE LA LANA). 4a Jornada de riego en pasturas. "Producción intensiva de carne bajo riego por aspersión y superficie en pasturas." [sitio web]. CIEDAG : Cerro Colorado, Florida, 2017.Tipo: Presentaciones Orales |
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