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The Effect of New Wings on Subsoiler Performance

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Applied Engineering in Agriculture. 32(3): 353-362. (doi: 10.13031/aea.32.11500) @2013
Authors:   Mohammad Askari, Gholamhossein Shahgholi, Yousef Abbaspour-Gilandeh, Hoseinali Tash-Shamsabadi
Keywords:   Bend angle, Bulk density, Soil upheaving area, Subsoiler, Wing.

Abstract. In this study, new backward and forward bent wings with bend angles of 10° and 20° were developed and attached to the subsoiler foot. Effects of new wings on the subsoiler performance were compared with subsoilers with conventional wings and non-wings. Rake angle of all wings was 15°. The effects of new wings on the imposed horizontal and vertical forces, soil loosening and upheaving area, specific draft, bulk density and after-till penetration resistance were investigated using randomized complete block design. The subsoilers were operated at a depth of 40 cm in a clay loam soil. Results showed that the effect of wings on all parameters was significant (p<0.01). By adding wings to the subsoiler foot, horizontal and vertical forces, soil loosened and upheaved area increased but specific draft, soil bulk density, and penetration resistance decreased. Among all wings, 10° forward bent wing showed the best performance and is suggested as a suitable attachment for deep soil loosening.

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