Agriculture Reference
In-Depth Information
Fig. 8.27  Herbicide sprayer
used on older trees. A sensor
detects the presence of green
weeds and applies herbicide
directly to them. (©Searle)
Fig. 8.28  Part of a large
modern macadamia orchard.
Rows in this photograph are
300m long before a break for
water control. The machinery,
from left to right, are a small
herbicide tractor fitted with
technology that detects the
presence of weeds, a large
double sided nut harvester
and a large mower. The
water is an irrigation channel
that forms part of a govern-
ment controlled irrigation
supply system. (©Photo
courtesy of Macadamia Farm
Management)
Plantations remain important production platforms for food, fibre, oil crops and
timber and they will continue to evolve in response to increasing demand from a
growing population.
Acknowledgements The authors would like to thank the following; Dr Russ Stevenson, the
late Dr David Aldous and Dr Geoff Dixon for their editorial comment, the Mackay family for
contribution of photographs of their banana plantation, Dr. Rob Lockwood for personal commu-
nications on cocoa production in Africa and Macadamia Farm Management for supply of photo-
graphs of Macadamia plantations and machinery.
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