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Tree Growth as Affected by Soil Moisture Availability
Author(s) -
Bassett John R.
Publication year - 1964
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/sssaj1964.03615995002800030040x
Subject(s) - evapotranspiration , environmental science , water content , soil water , moisture , udic moisture regime , soil science , agronomy , forestry , geography , ecology , biology , geology , geotechnical engineering , meteorology , loam
Merchantable volume growth in a managed southern pine forest was measured every 3 years from 1940 through 1960. Available soil moisture in the surface foot was estimated for each day of the 21 growing seasons. The soil‐moisture estimates were combined with estimates of potential evapotranspiration to calculate indexes of potential growth. Linear regressions of measured growth on calculated potential growth explained 95 to 97% of the variation about the regression lines. With sufficient soils information and past measurements of growth, foresters may be able to estimate current annual growth in timber stands.