Development and Performance Evaluation of the Double Tines Subsoiler in Silty Clay Soil Part 1: Draft Force, Disturbed Area and Specific Resistance

In this study, the effect of tine type, adding wing, operating depth and forward speed on the draft requirement of subsoil tillage tines was investigated in clay loam soil. Three subsoil tillage tines (subsoiler, bentleg and paraplow), four levels of forward speed (1.8, 2.3, 2.9 and 3.5 km/h), three levels of depth (30, 40 and 50 cm) and winged and no-wing tines were examined with the exception of bentleg as it would not be winged. It was revealed that draft of the tines is less affected by forward speed but is much affected by tine type, depth and wing. It was observed that an increase of speed and depth plus adding wing results in an increase of draft in all tines. Additionally, it was found that in all depths and speeds, subsoiler required more draft than paraplow and paraplow required more draft than bentleg. Multiple regression models including the studied parameters were developed to predict the draft requirements for each tine with high accuracy.

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Forces and loosening characteristics of a new winged chisel plough

Salar¹,

Karparvarfard²,

Askari³

et al. 2021

Res. Agric. Eng.

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This study was devoted to verifying the performance of various configurations of a winged chisel plough (WCP) in a soil bin. The performance of the new tool was assessed at three wing depths (5, 10 and 15 cm), three bend angles (10, 20 and 30 °), and three rake angles (7.5, 15 and 22.5 °) with three replications using a completely randomised design at a constant depth and speed of 30 cm and 1 m·s–1, respectively. The draught and vertical forces, soil disturbed and upheaved areas plus the efficiency of the soil loosening were measured during the tests. The results revealed that the draught and vertical forces were significantly increased by increasing the wing depth, bend and rake angles. The soil disturbance area increased with an increase in the wing depth, bend and rake angles. While the soil upheaving was decreased by increasing the wing depth and bend angle, the effect of the rake angle on the soil upheaving area was not significant. The maximum efficiency of the soil loosening of 268.1 cm2·kN–1 was achieved for a wing depth of 10 cm, a bend angle of 20 °, and a rake angle of 15 °. A significant improvement in the efficiency of the soil loosening along with maintaining a considerable portion of the residue on the soil surface suggest that the WCP should be adopted for conservation tillage.

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Development and Performance Evaluation of the Double Tines Subsoiler in Silty Clay Soil Part 1: Draft Force, Disturbed Area and Specific Resistance

Cited by 3 publications

References 15 publications

New wings on the interaction between conventional subsoiler and paraplow tines with the soil: effects on the draft and the properties of soil

New wings on the interaction between conventional subsoiler and paraplow tines with the soil: effects on the draft and the properties of soil

The effect of tine, wing, operating depth and speed on the draft requirement of subsoil tillage tines

Forces and loosening characteristics of a new winged chisel plough

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