Force and Energy Requirement for Cutting of Corn Stalk and Cob

In this study, the cutting force and energy requirement of corn (Zea mays L.) stalk at different internodes (diameter), from bottom to top internode positions for Pionner 2105, Pioner 1570, KWS MAY 75 varieties, were determined. The mean diameter varied between 11.28-19.00 mm bottom. Also, cob breakout requirements determined these varieties. According test results, varieties found statistically different. While highest was in MAY75 variaty as 504.79 N Pioneer 2105 537.80 N, lowest values obtained variety 409.50 N. Similar results values. While, there no difference (p<0.01) among other has been followed by 1570 variaty, respectively. value 3.83 J. significant. 806.00 203.00 7.91 Joules 1.56 depend on internodes. first node Joules, decreased top. Tukey showed that significant differences terms both energy. However, 382.7 15.50 J Pioneer1570 variety, while 319.0 9.830 variety.