Avaliação da uniformidade de distribuição de água em um sistema de irrigação por gotejamento na cultura do cafeeiro.

Abstract

The use of irrigation systems for dripping, that in turn present high efficiency of water application in the ground, it’s increasing in distinct producing regions of coffee of the country. However, the accomplishment of evaluations of these systems becomes soon necessary after the installation of the same ones and along the time, with intention to diagnosing possible causes of without uniformity, in case they occur. Hydraulical causes, as proceeding from inadequate project and even though the misalignments of the senders, so much as your inadequate coefficient of manufacture uniformity or the occurrence of obstructions, they will only be able to be identified by the determination of coefficients of irrigation. With the objective to evaluate the uniformity of a irrigation system for dripping in a culture of coffee arabica implanted in the Federal University of Lavras, it’s been used three uniformity index of irrigation. The high values of coefficient of irrigation uniformity, verified using the three index, they indicated excellent performance. The irrigation system after 2 years of operation, it found adequate whatever its efficiency of water application, considering the dimension of the system, the quality of the water and not the use of the chemigation.