Pregled bibliografske jedinice broj: 774961
Application of Diffuse reflectance spectroscopy for testing soils from a lowland area under salinity risk
Application of Diffuse reflectance spectroscopy for testing soils from a lowland area under salinity risk // Sustainable soil management for food and environment safety / Poljak, Milan (ur.).
Zagreb: Hrvatsko tloznanstveno društvo, 2014. str. 50-50 (predavanje, međunarodna recenzija, sažetak, ostalo)
CROSBI ID: 774961 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Application of Diffuse reflectance spectroscopy for testing soils from a lowland area under salinity risk
(Pplication of Diffuse reflectance spectroscopy for testing soils from a lowland area under salinity risk)
Autori
Zovko, Monika ; Colombo, Claudio ; Stellaci, Anna Maria ; Palumbo, Guiseppe ; Di Iorio, Erica, Romić, Marija
Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, ostalo
Izvornik
Sustainable soil management for food and environment safety
/ Poljak, Milan - Zagreb : Hrvatsko tloznanstveno društvo, 2014, 50-50
ISBN
978-953-58241-0-7
Skup
XII Kongres Hrvatskog tloznanstvenog društva "Održivo gospodarenje tlom za sigurnost hrane i okoliša / Sustainable soil management for food and environment safety
Mjesto i datum
Dubrovnik, Hrvatska, 22.09.2014. - 26.09.2014
Vrsta sudjelovanja
Predavanje
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
soil testing; spectroscopy; salinity risk; NIR; VIS
Sažetak
The identification and mapping of soil salinity represent the basic, but also the most costly part of the saline soil management. Visible and near-infrared reflectance spectroscopy (VIS-NIR RS) is a rapid, non-destructive and low-cost tool that can be used for soil analysis. The aim of this work was to assess the usefulness of VIS-NIR RS for the determination of some soils properties with emphasis on those with a specially marked influence on the risk of soil salinization. A total of 245 surface soil samples from intensive soil survey in the Neretva River valley (Croatia) were scanned and reflectance spectra were recorded in the region 400-2500 nm at 2 nm spectral resolution with UV/VIS spectrophotometer (Jasco V-560). Reflectance spectra were also recorded for reference soil samples (salt content less than 0.1 dS/m) and for two pure standard minerals (montmorillonite and illite). Topsoil samples EC values have a mean of 1.5 dSm–1, ranged from 0.3 to 10.5dSm–1. The soil reflectance spectra of soil samples exhibited similar shapes of spectra as ilite. Reflectance spectra of clay with different salt added, shown variations in the reflection band in the VIS and NIR bands. Spectral analysis showed that reflectance spectra was lower for saline soil samples than for desalinized soil samples. The accuracy of PLSR modeling varied amongst soil properties and more accurate predictions were obtained for EC than for Cl-, SO42- and Ca2+.
Izvorni jezik
Engleski
Znanstvena područja
Poljoprivreda (agronomija)
