Gregory, P.2015-07-162015-07-161957Gregory, P. (1957) The First East African Herbicide Conference VI - The Chesterford Logarithmic Sprayer. East African Agricultural And Forestry Journal, XXIII (1), 34-37. https://doi.org/10.1080/03670074.1957.116651160012-8325https://kalroerepository.kalro.org/handle/0/4814The thorough evaluation of herbicides is normally a long and tedious process involving the application of a range of dosage rates upon separate plots of crop and weed. It is usually necessary to spray a large number of replicated plots, and this is a time and labour consuming operation.enhttp://creativecommons.org/licenses/by/3.0/Journal ContributionHerbicidesSprayersWeedsWaterhttps://doi.org/10.1080/03670074.1957.11665116