Response over two growing seasons of a Sitka spruce stand to 15N-urea fertilizer

Abstract

Urea fertilizer labelled with 15N (2.5 atom %) was applied to a 20 year old Sitka spruce stand on a peaty gley at a rate equivalent to 160 kg N ha−1. The application of urea resulted in increased biomass and N concentration of needles and enhanced development of the crown. Differences in N concentrations of the amended trees were also observed for new wood… (More)
DOI: 10.1007/BF00010932

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@article{Hulm2004ResponseOT, title={Response over two growing seasons of a Sitka spruce stand to 15N-urea fertilizer}, author={Sharon C. Hulm and Kenneth Killham}, journal={Plant and Soil}, year={2004}, volume={124}, pages={65-72} }