Abstract. This paper presents a method to measure the lesions originated by the Cercospora arachidicola and Cercosporidium personatum fungi, which cause, respectively, the early and late leaf spots in peanut plants. The proposed method is based on a modified version…

Abstract. This paper presents a new method based on digital image processing techniques such as color transformations and mathematical morphology, as well as on some specialist knowledge, to provide estimates for the lengths of rice panicles that have been removed…

The process of water erosion occurs in watersheds throughout the world and it is strongly affected by anthropogenic influences. Thus, the knowledge of these processes is extremely necessary for planning of conservation efforts. This study was performed in an experimental…

Assessment of student knowledge in Learning Management Systems such as Moodle is mostly conducted using close-ended questions (e.g. mul­tiple-choice) whose answers are straightforward to grade without human intervention. FILL-IN-THE-BLANK tests are usually more challenging since they require test-takers to recall…

In addition to the efforts undertaken by research institutions to generate new knowledge and technologies, it is also necessary to promote the results of this research. Specifically, there is a need for an information system that aggregates, organizes and systematizes…

2013

2013

2013

Asian soybean rust caused by Phakoprsora pachyrhizi is one of the most important diseases for soybean cultivation. The disease causes yield loss as high as 80%. Until now, fungicide applications were most reliable control measure. However, farmers often lose timing…

2013