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81. | | CUADRO, W.; QUINCKE, A.; BERMUDEZ, R.; GIORELLO, D. Relación entre el fósforo agregado y el fósforo disponible: equivalente fertilizante. In: Congreso Uruguayo de Suelos, 1.; Encuentro de la Sociedad Uruguaya de Ciencias del Suelo, 6., 2014, Colonia del Sacramento, UY. Intensificando el conocimiento del suelo y medioambiente para producir más y mejor: posters: fertilidad de suelos y nutrición vegetal. [Montevideo: SUCS], 2014 p. 66.Biblioteca(s): INIA Tacuarembó; INIA Treinta y Tres. |
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90. | | BERRUETA, C.; GARCIA, C.; GRASSO, R. Sodium accumulation vs. nitrate leaching under different fertigation regimes in greenhouse soils in South Uruguay. [Acumulación de sodio vs. lavado de nitrógeno en suelos bajo invernadero en el sur de Uruguay con diferentes regímenes de fertirriego.]. [Acúmulo de sódio vs. lixiviação de nitrogênio sob solos de estufas no sul do Uruguai com diferentes regimes de fertirrigação.]. Advances in Water in Agroscience. Irrigation and water management. Agrociencia Uruguay, 2023, Vol.27(NE1), e1189. https://doi.org/10.31285/AGRO.27.1189 -- OPEN ACCESS. Article history: Received 24 April 2023; Accepted 21 September 2023; Published 06 February 2024. -- Editor: Álvaro Otero, Instituto Nacional de Investigación Agropecuaria (INIA), Salto, Uruguay. -- Correspondence: Cecilia Berrueta,...Biblioteca(s): INIA Las Brujas. |
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99. | | BARBAZÁN, M.; BAUTES, C.; BEUX, L.; BORDOLI, M.; CANO, J.D.; ERNST, O.; GARCIA-LAMOTHE, A.; GARCÍA, F.; QUINCKE, A. Fertilización potásica en cultivos de secano sin laboreo en Uruguay: rendimiento según análisis de suelos. [Fertilization with potassium in crops under no-tillage in Uruguay: yield response based on soil testing]. Agrociencia Uruguay, 2011, v.15, no.2, p.93-99Biblioteca(s): INIA La Estanzuela; INIA Las Brujas. |
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Registros recuperados : 1,139 | |
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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 : |
23/09/2019 |
Actualizado : |
23/09/2019 |
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 : |
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 01960naa 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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