Word: broca
(lookup in dictionary)
(lookup stats)
Dates: during 1940-1949
Sort By: most recent first
(reverse)
...Corp., a business with the avowed purpose of raising living standards through the use of American know-how in backward areas. The audience sat fascinated as he told how the corporation saved Brazil $100 million a year by spraying coffee plantations with an insecticide, killing an African pest called broca. With obvious pride in American resourcefulness, he gleefully described how the updraft caused by the helicopter presses the chemical against the underside of the infested leaves,"precisely where it is needed...
...fifth Rockefeller enterprise, Helicóptero Comercial, S.A., was formed only last week. Its aim: to contract with São Paulo coffee growers to spray their plantations against the deadly broca borer. Rockefeller's technicians found out that ordinary aerial spraying was missing the bugs, but that helicopters, hovering just over the trees and beating the chemical dust right down to the ground, could get them every time...