Soluble organic nitrogen in potentially mineralizable N assays: are we missing an important component?

J. Dessureault-Rompré; D.L. Burton; B.J. Zebarth

doi:10.1139/cjss-2017-0151

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J. Dessureault-Rompré,¹ D.L. Burton,^2,*,** B.J. Zebarth³

¹Soil Department, Université Laval, 2480 boulevard Hochelaga, Québec, QC G1V 0A6, Canada.
²Department of Plant, Food, and Environment, Dalhousie University, Truro, NS B2N 2H2, Canada.
³Agriculture and Agri-Food Canada, Potato Research Centre, 850 Lincoln Road, P.O. Box 20280, Frederic

^*Corresponding author: David L. Burton (email: dburton@dal.ca).
^**D.L. Burton currently serves as an Associate Editor; peer review and editorial decisions regarding this manuscript were handled by Lori Phillips.

Abstract

We examined soluble organic nitrogen (SON) leached from long-term, sequentially leached, aerobic incubations. Leached SON, present in all depths (0–60 cm), ranged from 35% to 56% of total nitrogen (N). This unaccounted-for SON may have important implications in the estimation of plant available N and the potential for environmental N losses.

Citation Download Citation

J. Dessureault-Rompré, D.L. Burton, and B.J. Zebarth "Soluble organic nitrogen in potentially mineralizable N assays: are we missing an important component?," Canadian Journal of Soil Science 98(3), 570-573, (30 April 2018). https://doi.org/10.1139/cjss-2017-0151

Received: 18 December 2017; Accepted: 12 February 2018; Published: 30 April 2018