The Advantage of Ultra-Low Volume Spraying-Some Data from Malawi and West Africa

Abstract

In Malawi farmers growing cotton were encouraged to spray their crop using a knapsack sprayer after trials were completed c 1962, but in 1969 a farmer complained that it was difficult to get the water needed to spray their cotton, so a new trial was carried out using a hand carried ULVA sprayer apply the same insecticide but as a formulation with oil and applied 2 litres of spray per hectare.