I research and tails spring and summer growth rates of trees in the southeastern United States, specifically hardwoods in deciduous forest .
I am working on new forest yield tables in Hungary for Oaks, Beech, Hornbeam, Ash. Not yet publicated.
Average growth rates for your forest trees/stands are a function of soils and site (Site Index); stocking; past forest management (thinning, crop tree release, cull tree removal, etc.); species, vigor, and crown condition; and of course genetic potential. Therefore, accurate data must be collected from deceduous forest in order to obtain appropriate growth rate data.
Growth rates depended on the soil parameters like organic matter content, nutrients and related factors. Together rainfall, temperature and geographic location also have a major role that drives the factors responsible for growth. Also microhabitat is of key importance to study.
Growth rates depended on Age. Young trees grow more the old one. The trees depend on the inside or the outside of the stand have a different growth. You should sample all diameter and conditions. At least 5 trees per diameter class are required.
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