The chief method employed for their destruction is spraying the swarms with arsenic. The districts with the greatest area under cultivation are Heidelberg, Witwatersrand, Pretoria, Standerton and Krugersdorp. The chief crops grown for grain are wheat, maize (mealie) and kaffir corn, but the harvest is inadequate to meet local demands.
MEALIE, the South African name for Indian corn or maize.
Some 25% more women than men were so employed, this preponderance being due to the large number of Kaffir women and the few native men who work in the mealie fields.