1. 
   crop-dusting
   [n] - the dispersion of fungicides or insecticides or fertilizer on growing crops (often from a low-flying aircraft)
   Found op http://www.webdictionary.co.uk/definition.php?query=crop-dusting
   
   
2. 
   crop-dusting
   noun the dispersion of fungicides or insecticides or fertilizer on growing crops (often from a low-flying aircraft)
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=crop-dusting
   
   

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