Access the full text.
Sign up today, get DeepDyve free for 14 days.
S. Power, M. Ashmore, D. Cousins, L. Sheppard (1998)
Effects of nitrogen addition on the stress sensitivity of Calluna vulgarisNew Phytologist, 138
S. Caporn, M. Risager, J. Lee (1994)
Effect of nitrogen supply on frost hardiness in Calluna vulgaris (L.) Hull.The New phytologist, 128 3
A. Prins, J. Berdowski, M. Latuhihin (1991)
Effect of NH4‐fertilization on the maintenance of a Calluna vulgaris vegetation, 40
G. Heil, R. Bobbink (1993)
“Calluna”, a simulation model for evaluation of impacts of atmospheric nitrogen deposition on dry heathlandsEcological Modelling, 68
S. Uren, N. Ainsworth, S. Power, D. Cousins, L. Huxedrup, M. Ashmore (1997)
Long-Term Effects of Ammonium Sulphate on Calluna valgarisJournal of Applied Ecology, 34
D. Thompson, R. Aerts, G. Heil (1994)
Heathland Eutrophication Effects Considered-From Beetles and Biomass to Competition and Conservation@@@Heathlands: Patterns and Processes in a Changing Environment.Journal of Biogeography, 21
L. Christersson (1975)
Frost-Hardiness Development in Pinussilvestris L. Seedlings at Different Levels of Potassium and Calcium FertilizationCanadian Journal of Forest Research, 5
J. Carroll, S. Caporn, Leigh Cawley, D. Read, John Lee (1999)
The effect of increased deposition of atmospheric nitrogen on Calluna vulgaris in upland BritainNew Phytologist, 141
C. Gordon, S. Woodin, I. Alexander, C. Mullins (1999)
Effects of increased temperature, drought and nitrogen supply on two upland perennials of contrasting functional type: Calluna vulgaris and Pteridium aquilinumNew Phytologist, 142
C.E.R. Pitcairn, D. Fowler, J. Grace (1995)
Deposition of fixed atmospheric nitrogen and foliar nitrogen content of bryophytes and Calluna vulgaris (L.) Hull.Environmental pollution, 88 2
S. Hartley, L. Amos (1999)
Competitive interactions between Nardus stricta L. and Calluna vulgaris (L.) Hull: the effect of fertilizer and defoliation on above‐ and below‐ground performanceJournal of Ecology, 87
A. Håland, K. Timenes (1980)
Short and long term effects of fertilizer applications on native mountain pasture in south western Norway., 31
John Lee, S. Caporn (1998)
Ecological effects of atmospheric reactive nitrogen deposition on semi‐natural terrestrial ecosystemsNew Phytologist, 139
L. Eerden, T. Dueck, J. Berdowski, H. Greven, H. Dobben (1991)
Influence of NH3 and (NH4)2SO4 on heathland vegetation, 40
R. Aerts (1989)
Aboveground biomass and nutrient dynamics of Calluna vulgaris and Molinia caerulea in a dry heathland.Oikos, 56
Four nitrogen (N) levels, spanning those found naturally, were established in Calluna vulgaris grown in containers in an oceanic climate for 4 years on the southwest coast of Norway. Established N contents of the plants were 0.7, 0.8, 1.3 and 2.5% of dry weight. Experiments comprising 5000 plants were performed in the open and in growth chambers. In the open, dry matter accumulation and date of bud burst were recorded at the different N levels. Breaking of winter dormancy was studied under controlled conditions. In October/November, plants needed 1474 day-degrees for bud burst at the lowest N level, whereas at the highest level only 582 day-degrees were required. The natural start of growth in the field was on 14 April at the highest N level and on 26 April at the lowest. Freeze testing of the shoots (with the roots protected from frost) revealed that Calluna tolerates temperatures as low as −15 °C as late as the beginning of April. However, plants at the two medium N levels were most tolerant of frost. During the last winter of the experiments, nearly 50% of plants in the open died at the highest N level, whereas plants at the lower levels survived without damage. The effects of N are discussed in relation to the influence on physiological ageing of the plants, the change in nutrient balance of the plant tissue and the subsequent increase in susceptibility to biotic and abiotic stresses. Copyright 2001 Annals of Botany Company
Annals of Botany – Oxford University Press
Published: Nov 1, 2001
Read and print from thousands of top scholarly journals.
Already have an account? Log in
Bookmark this article. You can see your Bookmarks on your DeepDyve Library.
To save an article, log in first, or sign up for a DeepDyve account if you don’t already have one.
Copy and paste the desired citation format or use the link below to download a file formatted for EndNote
Access the full text.
Sign up today, get DeepDyve free for 14 days.
All DeepDyve websites use cookies to improve your online experience. They were placed on your computer when you launched this website. You can change your cookie settings through your browser.