Deposição e danos mecânicos em sementes de sorgo utilizando um mecanismo dosador de fluxo contínuo em ensaio de bancada

• Autor(a) principal: Correia, Tiago Pereira da Silva [UNESP]
• Data de Publicação: 2014
• Outros Autores: Silva, Paulo Roberto Arbex [UNESP], Sousa, Saulo Fernando Gomes de [UNESP], Tavares, Leandro Augusto Felix [UNESP], Paludo, Vinícuis [UNESP]
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://dx.doi.org/10.17224/EnergAgric.2014v29n1p22-26; http://hdl.handle.net/11449/137448
• topic: Seeder fertilizer; Simulator; Slope; Semeadora-adubadora; Simulador; Declividade

This study aimed to evaluate the behavior of the deposition and mechanical damage in seeds using a continuous flow metering system under different slope and speed. Part of the study was conducted at Agricultural Research Foundation Agricultural - (FAPA), where seeds that are deposited by a metering system were collected, and the quality analysis verifying the percentage of mechanical damage were conducted at the Faculty of Agricultural Sciences, UNESP, city of Botucatu– SP. The mechanism deposition was subjected to three different speed conditions (4,7, and 10 km.h-1) and three differents working slopes, ( 3%, 8%, and 16%). The results were submitted to Tukey test (p ≤ 0.05), and an analysis of variance with F test at 5% significance level was performed. The results showed an interaction between the factor slope and speed of work, increasing the metering mechanism speed, results in a reduction of the seed deposition at a 3% slope but a working speed of 10 km h-1did not reduce the rate of seed deposition until the slope reaches 16%. Both the slope factor and the working speed caused at least 3.9 and 4.2% more damage to the seeds, respectively.