EFFECT OF DISK ANGLE IN PERFORMANCE OF DISK HARROW AT DIFFERENT SPEEDS
2011
Mothana A. Noori
The experiment was carried out at fields of college of agriculture and forestry, university of Mosul to study the effect of two disk angles for the offset disk harrow 15°, 20° and 20°, 25° for the front and rear gang respectively , and three forward speeds 5.77 , 7.18 and 9.04 Km/hr on pulling force , drawbar power , slippage percentage , cutting depth , cutting width , coefficient of cutting width , effective field capacity and number of soil aggregates larger than 5 cm/m2. Results showed that the effect of disk angle was significant in drawbar power , cutting width and coefficient of cutting width while there were no significant differences concerning other studied characteristics , there was extrusive relation between the disk angle and all studied characteristics. The effect of interaction between disk angle and forward speeds was significant in cutting depth while there were no significant differences concerning other studied characteristics.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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