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9 December 2016 Soil organic carbon, nitrogen, and phosphorus 13 yr after abruptly disturbing Northern Great Plains grassland
Ben W. Thomas, Xiying Hao, Walter D. Willms
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Abstract

Thirteen years after cultivating native grassland and establishing continuous wheat (Triticum aestivum L.) and wheat–fallow rotations in southern Alberta, surface soil total N levels were 15% lower, and nitrate (60–90 cm) concentrations were 2.5- and 17-fold greater, than native grassland. Wheat–fallow, even without fertilization, markedly enhanced potential nitrate loss through the root zone.

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Ben W. Thomas, Xiying Hao, and Walter D. Willms "Soil organic carbon, nitrogen, and phosphorus 13 yr after abruptly disturbing Northern Great Plains grassland," Canadian Journal of Soil Science 97(2), 329-333, (9 December 2016). https://doi.org/10.1139/cjss-2016-0113
Received: 9 September 2016; Accepted: 1 November 2016; Published: 9 December 2016
JOURNAL ARTICLE
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KEYWORDS
abandoned
assolement blé–jachère
changement de vocation des terres
cultivated
défrichage
friches
land-use change
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