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Tentative Technique for Determining the Influence of Soil on the Growth of Forest Plantations
Author(s) -
Leaf Albert L.,
Keller Theodor
Publication year - 1956
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1956.03615995002000010028x
Subject(s) - transect , soil water , environmental science , forestry , soil science , homogeneity (statistics) , hydrology (agriculture) , geography , ecology , mathematics , geology , statistics , biology , geotechnical engineering
This paper reports analytical techniques for the determination of the influence of soil on the growth of red pine and white spruce plantations. The ecological homogeneity of the plantation or portion thereof is checked by a transect survey of tree heights and diameters and soil analysis. The estimate of the rate of growth is made on the basis of stem analyses of the average sample trees. The field and laboratory investigation of soil properties is supplemented by foliar analysis and, in the case of hydromorphic soils, by the determination of properties of ground water. The importance of an accurate estimate of the density of nurse stands is stressed. The applicability of suggested methods is illustrated by concrete examples.