Herbage Response to Precommercial Thinning in Direct-Seeded Slash Pine
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چکیده
منابع مشابه
Modeling the Size-Density Relationship in Direct-Seeded Slash Pine Stands
The relationship between quadratic mean diameter and tree density appeared curvilinear on a log-log scale, based on data from direct-seeded slash pine (Pinus elliottii var. elliottii Engelm.) stands. The self-thinning trajectory followed a straight line for high tree density levels and then turned away from this line as tree density decreased. A system of equations was developed to model the re...
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Development of seeded Scots pine standsfrom precommercial thinning to first commercialthinning. Folia Forestalia 752. 29 p. (In Finnishwith English summary).SAS Institute Inc. SAS/STAT user’s guide, version 8.Cary, NC: SAS Institute Inc 1999. 3809 p.Searle, S.R., Casella, G. & McGulloch, C.E. 1992.Variance components. Wiley, New York. 501 p.Snijders, T. & Bosker,...
متن کاملThinning Response and Growth Trends of Seeded Scots Pine Stands at the Arctic Timberline
Growth patterns and reactions of Scots pine (Pinus sylvestris L.) to thinning in extremely harsh climatic conditions were studied in two seeded Scots pine stands located on the arctic timberline. Coniferous trees usually do not form closed stands at the timberline, but occur only in scattered tree groups. The trial was established in two stands in 1985–1986 when the trees were at an age of 47 a...
متن کاملMapping quantitative trait loci controlling early growth in a (longleaf pine x slash pine) x slash pine BC(1) family.
Random amplified polymorphic DNA (RAPD) markers were employed to map the genome and quantitative trait loci controlling the early growth of a pine hybrid F(1) tree ( Pinus palustris Mill. x P. elliottii Engl.) and a recurrent slash pine tree ( P. elliottii Engl.) in a (longleaf pine x slash pine) x slash pine BC(1) family consisting of 258 progeny. Of the 150 hybrid F(1) parent-specific RAPD ma...
متن کاملHerbage Response to Sagebrush Spraying
Information that is presently available makes chemical control of sagebrush (Artemisia’ tridentata) a practical operation. Yet additional information is needed regarding ecological responses to assure that the practice of spraying for sagebrush control will be used wisely. The economy of brush control must be determined by the amount of forage and meat products gained; however, the principal ob...
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ژورنال
عنوان ژورنال: Journal of Range Management
سال: 1972
ISSN: 0022-409X
DOI: 10.2307/3897000