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ACCOMPLISHMENTS acid copper chromate acres assessment ASSIGNMENT Auckland basal area beech carried cent chrome arsenate collected Continuous CONTROL PLAN Corsican pine DATE OF COMPLETION diameter Douglas fir effect established Eucalyptus exotic conifers exotic forest field Forest Biology Forest Research Institute Forest Service Forestry fungi Golden Downs grading rules growth heartwood height indigenous forest indigenous species insects investigation kahikatea Kaingaroa Forest kauri kiln drying laboratory Larix decidua log-volume table logs measurements methods moisture content mortality mycorrhiza nigra noctilio North Island nursery obtained parasites Pinus radiata planted podocarp ponderosa prepared PROJECT Pseudotsuga taxifolia PURPOSE radiata pine recorded regeneration remeasured REVIEW OF PAST rimu Rotorua Rotorua Conservancy sample plots seasoning seed seedlings silver beech silvicultural Sirex noctilio soil Spacing trials specimens stands tawa tests thinning treated treatment trees unthinned untreated variation volume tables Whakarewarewa Whakarewarewa Forest wood density wood preservatives yield tables Zealand grown Zealand timbers