搜索结果: 1-4 共查到“林业经济学 growth”相关记录4条 . 查询时间(0.093 秒)
Fertilizing sustainable growth in the forest industry
Fertilizing sustainable growth forest industry
2016/4/13
As money-makers, trees stand tall. The U.S. forest industry is an economic powerhouse. Southern states alone grow more commercial wood than any country in the world.The Center for Advanced Forestry Sy...
Contrasting growth and water use efficiency after thinning in mixed Abies pinsapo–Pinus pinaster–Pinus sylvestris forests
basal area increment carbon isotopes dendroecology
2016/3/2
Foresters frequently lack sufficient information about thinning intensity effects to optimize semi-natural forest management and their effects and interaction with climate are still poorly understood....
EFFECT OF SALINITY ON GERMINATION AND GROWTH OF SOME FOREST TREE SPECIES AT SEEDLING STAGE
Acacia ampliceps Acacia nilotica Eucalyptus camaldulensis
2010/9/26
Effect of salinity on growth of some forest tree species was studied at their seedling stage in nursery net house, Department of Forestry, Range Management and Wildlife, University of Agriculture, Fai...
Effects of Different Logging Methods for Overstory Trees on Damage and Growth of Understory Trees in a Two-storied Stand of Sugi and Hiba
Cryptomeria japonica damage of understory trees logging of overstory trees Thujopsis dolabrata two-storied stand
2009/8/28
To examine methods of overstory cutting in two-storied stands of sugi (Cryptomeria japonica) and hiba (Thujopsis dolabrata), clearcutting and thinning (45% cutting by basal area) of the overstory (50 ...