Broadfoot And Krinard 1961 Growth Of Hardwood Plantations

Steinbeck found that while sycamore had greater initial growth after the first several years sycamore growth slowed while sweetgum growth rates increased such that at the end of 10 15 year rotations sweetgum plantations had higher yields 4 7 vs.

Broadfoot and krinard 1961 growth of hardwood plantations.

3 5 mg ha 1 yr 1 under lower intensity management fertilization at planting. Growth of three hardwood species through 18 years on a former agricultural bottomland. Recent work in even aged mixed species natural hardwood stands indicates changes in species dominance occurs over time oliver 1978 bowling and kellison 1983 clatterbuck et al 1985 clatterbuck and hodges 1988 johnson and krinard 1988. The top 10 percent or 30 cypress trees per acre in this study ranged from 9 8 to 14 0 inches dbh and averaged 11 1 inches after.

Year 14 thinning 85t pulp 20m 3 small sawlog year 20 thinning 30t pulp 30m 3 small sawlog year 34 clearfell 10t pulp 15 m 3 small sawlog 335 m 3 sawlog veneer log unknown for plantations. Several weaknesses in the present study include the lack of stand level replication within and among the different plantation spacings. Species that are dominant during the early years of stand establishment tend to become subordinate. Results reveal that plantation grown cy press may grow as well as or better than other hardwood species growing in loess soil in small unthinned plantings for a similar period of time broadfoot andkri nard 1961.

Hardwood plantation development especially when the objective is long term quality sawtimber production and wildlife habitat. Further replicated pure plantings of each species are necessary to serve as. Hardwood suitability for and properties. P y g gy p gy y broadfoot w.

Annual review of ecology and systematics 10 351 371. Plantations krinard and kennedy 1987. Growth of hardwood plantations on bottoms in loess areas. About 100 branches some living and some dead were removed in each stand.

Diameters of pruned limbs measured 2 inches from the main bole ranged from to 3 inches on cottonwood and to 2 inches on the oaks. Willow oak quercus phellos also known as peach oak pin oak and swamp chestnut oak grows on a variety of moist alluvial soils commonly on lands along water courses. This medium to large southern oak with willowlike foliage is known for its rapid growth and long life. The willow oaks were part of a dense second growth stand 25 to 30 years of age.