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1. Diffuse-Reflectance Mid-infrared Spectral Properties of Soils under Alternative Crop Rotations in a Semi-arid Climate

Author:
Mikha, Maysoon M.,   et al.   ; Calderón, Francisco J.; Vigil, Merle F.; Nielsen, David C.; Benjamin, Joseph G.; Reeves, James B. III;     Show all 6 Authors
Source:
Communications in soil science and plant analysis 2011 v.42 no.16-19 pp. 2143-2159
ISSN:
0010-3624
Subject:
alternative crops; soil organic carbon; prairie soils; absorbance; nitrogen; carbohydrates; quartz; soil properties; clay; semiarid zones; esters; infrared spectroscopy; crop rotation
Abstract:
... We carried out mid-infrared (mid-IR) spectral interpretation of soils 0-5 and 5-15 cm deep in selected alternative crop rotations (ACR) treatments and an adjacent native prairie soil. Ashing and spectral subtraction shows that absorbance at 3700-2850 and 1700-1550 cm-1 indicates organic absorbance. Prairie soils, with their greater carbon (C) content, have different spectral properties from the cr ...
Handle:
10113/54060