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1. Determining soil properties in Amazonian Dark Earths by reflectance spectroscopy

Author:
Araújo, Suzana Romeiro; Söderström, Mats; Eriksson, Jan; Isendahl, Christian; Stenborg, Per; Demattê, JoséA.M.
Source:
Geoderma 2015 v.237-238 pp. 308-317
ISSN:
0016-7061
Subject:
plateaus; anthropogenic soil types; soil organic carbon; cation exchange capacity; soil map; calcium; exchangeable calcium; models; least squares; reflectance spectroscopy; soil analysis; pH; nutrients; prediction; phosphorus; Amazonia; Brazil
Abstract:
... In the Brazilian Amazon patches of anthropogenic soils known as Amazonian Dark Earths (ADEs) occur. These soils are rich in carbon (C) and plant nutrients compared to the naturally occurring strongly weathered soils. In this paper we explore the potential of visible to near infrared (vis–NIR) and mid infrared (MIR) spectroscopy as an alternative to traditional soil analysis of ADE properties for p ...
DOI:
10.1016/j.geoderma.2014.09.014