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Effects of site preparation on soil properties and on growth, damage and nitrogen uptake in planted seedlings

Nordborg, Fredrik (2001). Effects of site preparation on soil properties and on growth, damage and nitrogen uptake in planted seedlings. Diss. (sammanfattning/summary) Alnarp : Sveriges lantbruksuniv., Acta Universitatis agriculturae Sueciae. Silvestria, 1401-6230 ; 195
ISBN 91-576-6079-4
[Doctoral thesis]

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Abstract

In this thesis, the effects on seedling growth and damage of some sitz preparation methods have been compared. Moreover. the ell.cts ol' intensive site preparaLions, e.g. deep soil cultivation, on seedling growth and daniagc haw also been evaluated. The. cffcct of various sitc preparation methods on nitrogcn mineralisation and sccdling nitrogen uptakc and thc cffcct of high nitrogen uptake on seedling growth have also bccn studied. I n gcnc.ral, findings in this thcsis suppoit thc hypothesis that seedling growth and survival arc incrcascd by sitc preparation. Soil inversion with the humus layer covcrc.cl by rnincral soil provided high seedling growth and survival. Soil scarification niethods with the humus retained in the planting spot had high mineralisation rates. This thesis also showed that intensive site preparation methods like deep soil cultivation have to be used on sites that are rich in vcgctation or frost-pronc in order to sccurc high sccdling growth and sunrival. Dccp soil cultivation also providcs an c.vcn cnvitonnicnt for sccdlings ancl hc.ncc an cvcn stand stmcturc. IIigh sccdling nitrogen uptakc was positivc to seedling growth for nc.wly plantcd Norway spruce seedlings, and both nitrogen mineralisation and root growth were shown to be important processes to seedling nitrogen uptake. Site pre.paration was generally positive trr seedling nitrogen uptake, and 1-on1 giawth was positively aflecled by soil scaii Iicalion. The results on nitrogen and carbon loss after intensive site preparation were. contradictory, showing both an increased risk of nitrogen leaching and that no increased loss had occurred ten years aftei- soil cultivati

Authors/Creators:Nordborg, Fredrik
Title:Effects of site preparation on soil properties and on growth, damage and nitrogen uptake in planted seedlings
Year of publishing :January 2001
Volume:195
Number of Pages:25
Papers/manuscripts:
NumberReferences
ALLI. Nordborg, F. and Welander. T. Growth responses of rooted cuttings from five clones of Picea abies (L.) Karst. after a short drought period. Scandinavian Journal of Forestry Research: Accepted manuscript. II. Orlander, G., Nordborg, F., and Gemmel, P. The effect of complete deep soil cultivation on initial stand development. Studia Forestalia Sirecia: Accepted manuscript. III. Nordborg, F., Nilsson, U., and Örlander, G. Effects of different soil treatments on growth and net nitrogen uptake of newly planted Picea abies (L.) Karst. seedlings (Manuscript) IV. Nordborg, F., Nilsson, U., Gemmel, Y. and Örlander, G. High- and low-intensive site preparation: a comparative study of total nitrogen and carbon stocks in three conifer plantations, ten years after treatment (Manuscript) V. Nordborg, F. and Nilsson, U. Growth, damage and net nitrogen uptake in Picea abies (L.) Karst. seedlings, effects of site preparation and fertilisation (Manuscript
Place of Publication:Alnarp
ISBN for printed version:91-576-6079-4
ISSN:1401-6230
Language:English
Publication Type:Doctoral thesis
Full Text Status:Public
Agris subject categories.:F Plant production > F61 Plant physiology - Nutrition
F Plant production > F62 Plant physiology - Growth and development
F Plant production > F07 Soil cultivation
Subjects:Not in use, please see Agris categories
Agrovoc terms:soil scarification, site preparation, soil chemicophysical properties, seedlings, nitrogen, mineralization, nitrogen cycle, growth, damage, carbon, forest trees
Keywords:carbon loss, damage, mineralisation, nitrogen loss, root growth, seedling nitrogen uptake, site preparation, soil cultivation, soil scarification
ID Code:34
Department:(S) > Southern Swedish Forest Research Centre
Deposited By: Staff Epsilon
Deposited On:13 May 2002 00:00
Metadata Last Modified:02 Dec 2014 10:01

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