Vol. 43

Title:
A Review of Kauri (Agathis australis) Nutrition and Assessment of Current Nursery Container Mixes

Authors:
Michael B. Thomas and Mervyn I. Spurway

pp: 350-356

Abstract:
INTRODUCTION

Kauri forests once covered much of the early land mass of New Zealand. Now only a remnant of the great forests remain—a mere 5% of the pre-European kauri forest has been spared from the axe and burning (Ahmed and Ogden, 1987).

Kauri is a large, long-lived tree which normally grows for more than 600 years with individuals exceeding 2 m d.b.h. (diameter at breast height) and often 1000 years of age (Ahmed and Ogden, 1987). Sale (1978) in his book, which reviews the history of the kauri in New Zealand, states that forest authorities consider this to be the tree capable of yielding the greatest volume of millable timber in the world. Sale goes on to explain the significance of this tree in the early maori history and European colonisation, including its uses and the wastage that has occurred. Fires were particularly common in logged kauri forests, many being deliberately lit by gum diggers (Ecroyd, 1982). Fortunately some great kauri giants have remained and are protected in

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