All content is free for everyone to browse, download and share.


Tips for how to search on AER: type keywords into the search box or use the filtering options below to find the content relevant for you – including peer-reviewed journal articles and non-peer reviewed grey literature.


Member contents are currently categorised as ‘Miscellaneous’ while we work on an update.

Filter by...

Showing 1 result

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...

Read more