Modifications of a Hydraulic Sprayer (Hardi) for Improved Coffee Spraying

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Date
1972
Authors
Pereira, J.L.
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Abstract
In 1968, a tractor-mounted hydraulic sprayer, the "Hardi" (manufactured by Hartvig Jensen & Co., Denmark) was assessed for use on coffee and a report made on it (Pereira, 1968). This unit due to its simplicity of design lends itself to modifications that would be relevant to machines of comparable emission rates and boom assemblies. In view of this, modifications have been undertaken over the past few years to improve its performance with particular emphasis placed on obtaining a spray cover, that recent research has shown is advantageous, for control of coffee berry disease (CBD) caused by Colleto (richum coffeanum Noack (Pereira and Mapother, 1971).
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East African Agricultural and Forestry Journal, XXXVII (No. 4), pp. 318-324
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