The roots of these young hazel and oak trees were infected with truffle mycelia before they were planted out in 1987, near Gisborne. The first truffles appeared five years later. Truffle farms or truffières are planted on well-drained soils with an alkaline pH. Most New Zealand soils are acidic, so they require heavy liming to grow truffles. If the fungi become established on tree roots, grasses and weeds fail to thrive above them, leaving a circle of bare or sparsely-vegetated ground, known as a brûlé, around the trunk.
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Truffles and Mushrooms (Consulting) Ltd
Photograph by Ian Hall
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