Articles | Volume 4, issue 2
SOIL, 4, 169–171, 2018
https://doi.org/10.5194/soil-4-169-2018
SOIL, 4, 169–171, 2018
https://doi.org/10.5194/soil-4-169-2018

Original research article 07 Jun 2018

Original research article | 07 Jun 2018

Comment on “Soil organic stocks are systematically overestimated by misuse of the parameters bulk density and rock fragment content” by Poeplau et al. (2017)

Eleanor Ursula Hobley et al.

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Cited articles

Bispo, A., Andersen, L., Angers, D. A., Bernoux, M., Brossard, M., Cécillon, L., Comans, R. N. J., Harmsen, J., Jonassen, K., Lamé, F., Lhuillery, C., Maly, S., Martin, E., Mcelnea, A. E., Sakai, H., Watabe, Y., and Eglin, T. K.: Accounting for carbon stocks in soils and measuring GHGs emission fluxes from soils: Do we have necessary standards?, Frontiers in Environmental Science 5, 41, https://doi.org/10.3389/fenvs.2017.00041, 2017.  
Ellert, B. H. and Bettany, J. R.: Calculation of organic matter and nutrients stored in soils under contrasting management regimes, Can. J. Soil Sci., 75, 529–538, 1995. 
Goidts, E., van Wesemael, B., and Crucifix, M.: Magnitude and sources of uncertainty in soil organic carbon (SOC) stocks assessments at various scales, Eur. J. Soil Sci., 60, 723–739, 2009. 
Hazelton, P. A. and Murphy, B. W.: “What Do All the Numbers Mean? – A Guide to the Interpretation of Soil Test Results”, Third Edition, CSIRO Publishing, Melbourne, Australia, 2016. 
Mikha, M. M., Benjamin, J. G., Halvorson, A. D., and Nielsen, D. C.: Soil Carbon Changes Influenced by Soil Management and Calculation Method, Open Journal of Soil Science, 3, 123–131, 2013. 
Short summary
This research evaluates equations to calculate soil organic carbon (SOC) stocks. Although various equations exist for SOC stock calculations, we recommend using the simplest equation with THE lowest associated errors. Adjusting SOC stock calculations for rock content is essential. Using the mass proportion of rocks to do so minimizes error.