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몇 가지 잡초종이 라디아타소나무 유묘생장에 미치는 영향
서병수(Byung Soo Seo),(Brian Richardson),(Arthur Vanner),(Graham Coker) 한국산림과학회 1997 한국산림과학회지 Vol.86 No.1
Second year results are presented from a trial designed to quantify the reduction in radiata pine (Pinus radiates D. Don) seedling growth caused by competition from a range of important weed species on a moist North Island site in New Zealand. Radiates pine seedlings(1/0) were grown on the weed free control and with either herbaceous broadleaves, grass, broom, pampas, buddleia, or gorse. Resource(nutrient and water) levels were varied by factorial +/- irrigation and fertilizer treatments, Radiates pine seedling volume growth 21 months after planting was greatest when it was grown on the weed free control or in association with gorse, and was least when grown with either buddleia or pampas. There was no evidence that the effects of the weeds on seedling growth were mediated by either competition for water or nutrients. Tall, fast-growing species that overtopped the seedlings (broom, buddleia, pampas) had the greatest effect on seedling growth and the magnitude of the effect was correlated with degree of overtopping. This implies that shading or competition for light is probably an important factor.
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