Productivity of first and second rotation stands of radiata pine on sandy soils. I. Site factors affecting early growth

Prescribed burning and productivity in southern pine forests: a review

“…However, volume growth of Douglas-fir and hardwood was greater and other conifers correspondingly less on burned plots than on unburned plots. Squire et al (1985) concluded that nutrient losses during slash burning (Flinn et al, 1979) were the cause of reduced productivity in second rotation Pinus radiata D. Don. plantations in southeast Australia.…”

Productivity of three successive rotations of P. radiata plantations in South Australia over a century

“…This study also demonstrated the potential losses of other nutrients by burning harvest residues: P 8 kg ha À1 , K 21 kg ha À1 , Ca 123 kg ha À1 , and Mg 13 kg ha À1 . Following on this research, Squire et al (1979) selected adjacent matched areas that were converted 1R and 2R stands at the same sites. They applied establishment practices including ''treatments designed to resemble as closely as possible the cultural treatments in use one tree generation ago''.…”

“…We can study the impacts of management practices on ecosystem processes and on productivity over time by other approaches. These approaches, targeted to our study region, include studies using carefully matched paired sites carrying successive rotations (Squire et al, 1979;Cellier et al, 1985;Smethurst and Nambiar, 1990a;Smethurst and Nambiar, 1990b), experiments with defined treatments aimed at exploring processes determining production in stress prone environments and the way site management practices impact on those processes (e.g. Nambiar et al, 1984;Woods et al, 1992;Fife and Nambiar, 1997;Carlyle and Nambiar, 2001); and, trials seeking solutions to practical problems for improving productivity (Boardman and Simpson, 1981;Cellier et al, 1985;Boardman, 1988;Woods, 1990/ 91).…”

Modelling the Sustainability of Forest Production and Yield for a Changing and Uncertain Future

“…Since that time, yield declines as a result of inappropriate management practices have been reported from elsewhere (e.g. second rotation yield declines in radiata pine, South Australia (Keeves 1966, Squire et a/. 1979, Farrell et al 1981, Squire 1983, and there are many reports of yield increases that have resulted from management-induced improvements in growth conditions.…”