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Showing 15 results

Transformations of nitrogen following the application of 15N-labelled cattle urine to an established grass sward.

Published online: 10 Nov 1990

Authors: Whitehead, D. C. & Bristow, A. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

Cattle urine, labelled with 15N urea, was applied in August 1987 at a rate equivalent to 74 g N/m2 to a series of confined microplots, at Hurley, UK, ...

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Spatial distribution and successional pattern of microbial activity and micro-faunal populations on decomposing barley roots.

Published online: 01 Mar 1997

Authors: Rønn, R. & Griffiths, B. S. & Ekelund, F. & Christensen, S.

Content type: Journal article

Journal title: Journal of Applied Ecology

Changes in microbial activity and populations of Protozoa and nematodes were followed in decomposing barley root material buried in soil cores and in ...

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Groundwater quality and hydrology with emphasis on selenium mobilization and transport in the lower Gunnison River Basin, Colorado, 2012-16.

Published online: 04 Sep 2019

Authors: Thomas, J. C. & McMahon, P. B. & Arnold, L. R.

Content type: Bulletin

Dissolved selenium is a contaminant of concern in the lower Gunnison River Basin, Colorado. Selenium is naturally present in the Cretaceous Mancos Sha...

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Lake restoration: successes, failures and long-term effects.

Published online: 19 Dec 2007

Authors: Søndergaard, M. & Jeppesen, E. & Lauridsen, T. L. & Skov, C. & Nes, E. H. van & Roijackers, R. & Lammens, E. & Portielje, R.

Content type: Journal article

Journal title: Journal of Applied Ecology

Eutrophication constitutes a serious threat to many European lakes and many approaches have been used during the past 20-30 years to improve lake wate...

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Carbon and nitrogen budgets of four agro-ecosystems with annual and perennial crops, with and without N fertilization.

Published online: 29 Apr 1990

Authors: Paustian, K. & Andrén, O. & Clarholm, M. & Hansson, A. C. & Johansson, G. & Lagerlöf, J. & Lindberg, T. & Petterson, R. & Sohlenius, B.

Content type: Journal article

Journal title: Journal of Applied Ecology

In field trials at Kjettslinge near Uppsala in 1980-85, annual C and N budgets were calculated for the following systems: (a) barley without fertilize...

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