Air force versus 'armyworms' in Zambia
3 March 2017 Last updated at 00:19 GMT
Southern Africa has suffered extensively from a widespread drought in recent years, but in the last few months a new threat to the region's agriculture has emerged - a plague of "armyworms".
Zambia is one of the countries most affected, with the armyworms devastating maize crops and threatening farmers' livelihoods.
Filmed by Kennedy Gondwe
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