MOBILE APPLICATION FOR ADJUSTING AIR-BLAST SPRAYERS IN COFFEE PLANTATION

Mobile application development advances, particularly for smartphones and tablets, have allowed farmers to make decisions more assertively in their agrobusiness management. This article addresses the evaluation of an app aimed at people who deal with pesticide technology coffee farming, specifically, adjustment calibration sprayers. mobile provides main data necessary a correct air-blast sprayers apply pesticides planting. Its functionalities include calculation rate each situation (L ha-1) based on obtained field, such as canopy volume. The app, called SprayCafé, was developed Android platform using Java programming language integrated environment Studio. After development, evaluated, questionnaire answered by 139 users, ranked following requirements: ease use, loading time, adequacy screen resolution, relevance, sequence information, applicability, among others. system proved be simple robust; it thus assessed adequate field great value planting, especially because allows safer application. graphical user interface is interactive easy use.