Articles | Volume 7, issue 1
Solid Earth, 7, 311–321, 2016
https://doi.org/10.5194/se-7-311-2016
Solid Earth, 7, 311–321, 2016
https://doi.org/10.5194/se-7-311-2016

Research article 24 Feb 2016

Research article | 24 Feb 2016

Examining the fixation kinetics of chelated and non-chelated copper and the applications to micronutrient management in semiarid alkaline soils

T. K. Udeigwe et al.

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Cited articles

Abbas, M. H. and Salem, H. M.: Kinetics of iron retention by typic torriorthent and typic haplocalcid soils supplied with some micronutrients, Ann. Agric. Sci. Moshtohor, 49, 301–311, 2011.
Adriano, D. C.: Trace Elements in Terrestrial Environments: Biogeochemistry, Bioavailability, and Risks of Metals, Springer Science and Business Media, New York, USA, 2001.
Allen, V. G., Brown, C. P., Kellison, R., Segarra, E., Wheeler, T., Dotray, P. A., Conkwright, J. C., Green, C. J., and Acosta-Martinez, V.: Integrating cotton and beef production to reduce water withdrawal from the Ogallala Aquifer in the Southern High Plains, Agron. J., 97, 556–567, 2005.
Alloway, B. J. (Ed.): Micronutrient Deficiencies in Global Crop Production, Springer Science and Business Media, Berlin, Germany, 2008.
Amuti, T. and Luo, G.: Analysis of land cover change and its driving forces in a desert oasis landscape of Xinjiang, northwest China, Solid Earth, 5, 1071–1085, https://doi.org/10.5194/se-5-1071-2014, 2014.
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Short summary
Fixation pattern and kinetics of chelated and non-chelated Cu compounds in semiarid soils were examined. 22% more Cu was fixed in the non-chelated system within the first 14 days (difference of only 7% by day 90). The slope of change in Cu in respect to other nutrients was higher in the non-chelated system. Fixation of Cu was better described by the power function and second-order models in the non-chelated and chelated systems, respectively. Findings are vital for improved nutrient management.