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New Zealand Journal of Forestry (1985) 30(2): 218–231
©New Zealand Institute of Forestry

Research article
Cultivation in Northland.

M. J. Williamson

Up until 1970 the strongly podzolized soils and podzols common in Northland were considered unsuitable for growing radiata pine, and where they occurred within state forest they were either left unplanted or planted with the more tolerant southern pines such as P. taeda or P. elliottii. However, site preparation and fertilizer application techniques adopted since 1970 have extended the range of sites where radiata pine can now be successfully established. Results are reported of several trials in Northland, and recommendations are made on the type of mechanical site preparation to be applied according to soil and vegetation types and the presence or absence of hardpan.
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