USE OF AN ELECTRONIC GUIDANCE SYSTEM IN TOPDRESSING PINE FORESTS

Authors

  • G.M. Will
  • G.W. Hedderwick

DOI:

https://doi.org/10.33584/jnzg.1984.45.1675

Abstract

Since 1970 an increasing annual programme of aerial topdressing of forests has been carried out. In the past uneven spread of fertilisers has been a major problem, causing substantial waste of fertiliser and uneven tree growth. Since 1979 most of the areas that have been fertilised have been topdressed by a helicopter fitted with a Decca Flying Flagman electronic guidance system. Use of this system has resulted in much more accurate flying and more even spread of fertiliser enabling fertiliser application rates to be reduced. Further reductions are probable when fertiliser spreading rates and ground speeds can be monitored more accurately. Keywords: pine forest, fertiliser, aerial application, electronic guidance

Downloads

Published

1984-01-01

Issue

Section

Articles