Aceitabilidade no uso de aplicativo móvel para determinação de adubação e calagem de plantas frutíferas

Abstract

The fruitculture is a very promising market and Brazil is one of the world's largest producers of fruits. The adequate management in fruit plants, combined with an adequate application of during liming and fertilization provide adequate chemical fertility conditions for plants, with reflections on productivity. The recommendation of liming and fertilization are carried out, based on the results of soil analysis and technical bulletins that contains the indication for each agricultural crop. A practical way to calculate and recommend liming and fertilization is through the use of applications installed on smartphones. Therefore, it was observed the opportunity to develop a mobile application to assist technicians and agricultural producers in the recommendation for fruit fruit. Objective: In this work, the level that would be accepted would be accepted the use of the Mobile Application FrutApp to determine fertilization and liming of fruit plants, among rural producers of the municipality of Capanema-PA, students of the agronomy course and professionals Agronomists, both from the Federal Rural University of the Amazon (UFRA), Capanema Campus, and based on the research data, make possible adjustments to the application for its improvement. Methodology: The preparation of the application was made with the help of the appinventor tool, on the website of mit (Massachusetts Institute of Technology). Data on the need for the application of fertilizers recommended for 23 fruit plants were introduced, from the information available in literature reviews for the recommendation of fertilization and liming. In obtaining the data, three questionnaires were elaborated to be applied one for each group of interviewees. The data was compiled and drew up charts in the Microsoft Office Excel 2016 software to present the results, with tables and texts prepared with the help of microsoft office word 2016 software. Conclusion: FrutApp was accepted at an excellent level, with 100%, in all classes, indicating accept its use, stating that it is easy to use and that they would indicate the use for other people, presenting the need for technical assistance to rural producers to errors in recommendations because data are inserted in correctly.