The Commonwealth Forestry Review, Volumes 57-58Commonwealth Forestry Association, 1978 - Forests and forestry |
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Page 113
... growth of inner spokes of Douglas - fir persists to arc 13 . Coefficients of variation and quadrant averages for dbh , height and growth are given in Table 2 , for N1 . Although CV's are similar for arcs , there appears to be a slight ...
... growth of inner spokes of Douglas - fir persists to arc 13 . Coefficients of variation and quadrant averages for dbh , height and growth are given in Table 2 , for N1 . Although CV's are similar for arcs , there appears to be a slight ...
Page 185
... growth rate it seems worthwhile to continue experiments on nursery and planting techniques for this species . As the length and severity of the dry season seems to be the critical factor , a further study of provenances is important . A ...
... growth rate it seems worthwhile to continue experiments on nursery and planting techniques for this species . As the length and severity of the dry season seems to be the critical factor , a further study of provenances is important . A ...
Page 188
... growth and the stem form is poor . One stand in Degaga was not measured because of the slow growth , the height having reached between one and three meters in eight years . The best of the measured stands was P. oocarpa var ochoterenai ...
... growth and the stem form is poor . One stand in Degaga was not measured because of the slow growth , the height having reached between one and three meters in eight years . The best of the measured stands was P. oocarpa var ochoterenai ...
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agriculture Agrostis stolonifera annual Association Australia Bexhill-on-Sea Britain Canada caribaea cent Committee Commonwealth Forestry Association Commonwealth Forestry Review conifers conservation cost crop density developing countries disease Douglas fir ecological economic effect established eucalypts export fertilizer Fiji fire forest industries forest management forest products Forest Research forest resources Forest Service Forestry Commission fuel fuelwood Gmelina grass grazing growth hardwoods important increase Institute interest International KEBLE ROAD kiln land logging Maningrida million Nigeria Oxford P.O. Box paper pine Pinus Pinus caribaea Pinus patula Pinus radiata planning plantations planting plots problems programme pruning publication pulp radiata red fescue region Road savanna second rotation seed seedlings silviculture softwood soil species stand Table technical thinning timber top height trees trials tropical forest tropical hardwoods volume wood woodland Zambia Zealand