White Fir Growth and Foliar Nutrient Concentration in California Plantations
Abstract:Nursery grown seedlings of white fir were planted at three localities in California. At age eight, growth characteristics and concentrations of N, P, K, Ca, Mg, and Mn in foliage and in the soil were analyzed. There were significant differences among the plantations in growth characteristics and foliar N, P, Ca, Mg, and Mn concentrations. Trees growing on the Mn rich Hoopa site had about three times as much foliar Mn as the trees on the other two sites. Foliar Ca on the Ca rich Camino site was also much higher than on the other sites. Among the six elements, only foliar K showed significant positive relationships with the growth characteristics at all plantation sites. Foliar P at the Blodgett site, where the available soil P was the lowest, was also significantly correlated with the growth characteristics. To clearly define these relationships, further investigations appear necessary, probably through pot and solution cultures or fertilizer trials. Forest Sci. 24:374-384.
Document Type: Journal Article
Affiliations: Assistant Professor of Botany, Science Faculty, Hacettepe University, Beytepe, Ankara, Turkey
Publication date: September 1, 1978
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