Tropical Pinus spp. can thrive where available nitrogen is scarce if mycorrhiza is present and they are resistant to grass fires, but the wood they produce is used for utility purposes and must be produced at low cost to compete as pulp and building timber with imports from natural coniferous forests in temperate and subtropical regions. more cheaply than any hardwood if soil nutrients are deficient. Source FAO. Pinus plantation Bulolo. Photo credit Dick McCarthy 2004. Part of Pinus merkusii hybrid seed production area Bulolo. Photo credit Neville Howcroft.
P. merkusii var at.jeh Age 9 years. Source DOF Notes on Wau Bulolo Activities. Bulletin # 3 of 1971.
15Silviculture
of Pinus in PNG Bulletin # 5 by John Smith 1970 describes silvicultural techniques to grow Pinus species in PNG.
15
Smith JEN 1970 Silviculture of Pinus in PNG Silviculture Bulletin No 5.
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