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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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