Research article Three plantation establishment models for pine.
D. B. South
Christchurch, New Zealand: New Zealand Institute of Forestry.
This paper provides a brief overview of three establishment models for pine. These models can be important tools for guiding landowners' decisions when selecting establishment practices. Currently, only a few plantation establishment models have been developed. Three models currently available for pine include CNIIGM for Pinus radiata> in New Zealand, Plant-PC for P. banksiana in Ontario, and Ptaeda2v for P taeda in the southern United States. The CNIIGM is an establishment model that was developed from 17 establishment studies. Plant-PC (Version 2.2) was developed using regression equations fitted to data from 9 pine plantations. Ptaeda2v was developed from a single-tree growth and yield model (Ptaeda2) that simulates growth starting at age 8 years. These programme's can be used to address questions such as "should I invest in either weed control or larger planting stock?"
Keywords: establishment, site preparation, seedling quality, weed control, growth and yield
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