Effect of fertilization on the litter fall of <i>pinus sylvestris</i> and <i>betula pubescens</i> on drained peatlands

Paavilainen, Eero

doi:10.1080/02827588709382446

Cited by 4 publications

(2 citation statements)

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“…The litterfall component of the N budget only included needles, but the needle litter dominated the litterfall, as often observed for coniferous forests (Paavilainen 1987, Persson & Nilsson 2001. The higher N concentration in the needles compared with other litter components also implies that needles constitute the major part of the N flux through litterfall.…”

Section: Discussionmentioning

confidence: 95%

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Nitrogen cycling in Pinus sylvestris stands exposed to different nitrogen inputs

Vestgarden

Nilsen²,

Abrahamsen³

2004

Scandinavian Journal of Forest Research

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The objective of this study was to quantify the effects of high nitrogen (N) inputs on N cycling in a 35Á/45-yr-old Scots pine (Pinus sylvestris L.) forest. Nitrogen was added annually (single doses) as NH 4 NO 3 in doses of 0 (N0), 30 (N1) and 90 (N2) kg N ha (1 yr (1 . The only N input to the N0 plots was atmospheric deposition of 10 kg N ha (1 yr (1 . The N cycle in these plots was tight, with almost complete retention of the incoming N. In the N1 plots the N retention was 83% after 9 yrs of N addition. The trees were the major sink, but the soil also contributed to the N retention. In the N2 plots the N retention was 63%, being mainly accounted for by accumulation in the soil. The leaching of N from the N2 stands was as high as 35 kg N ha (1 yr (1 . The N2 system was N saturated.

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Section: Discussionmentioning

confidence: 95%

“…A number of processes, directly or indirectly involved in the N cycle, may change. Owing to higher N uptake and stimulated tree growth, both the quality and quantity of the litterfall may increase (Paavilainen 1987, Vose & Allen 1991. As a result, the amount of organic matter and organic N in the forest floor may increase.…”

Section: Introductionmentioning

confidence: 98%