
	Asian Journal of Agricultural Research
	Year: 2011 \| Volume: 5 \| Issue: 1 \| Page No.: 90-97 DOI: 10.3923/ajar.2011.90.97

Comparison of Vibrations, Tillage Depths and Soil Properties for Moldboard and Disk Plows at Three Tillage Speeds

H.F. Mahmood, Q.A. Subhi and E.K. Hussein

Abstract: Vibration is a very important parameter in tillage operations because it influences the soil properties and draft force. Hence, this research used a mathematical model (Rayleigh method) to compare the two plows under vibration conditions. For greater accuracy, we considered the soil resistance force to cut and consistency as vertical forces and calculated them from actual loads. Further, we have also compared the depths of the moldboard and disk plows (20-25 and 15-20 cm, respectively) and certain important soil physics properties such as the bulk density and total porosity at three different speeds (1.5, 3 and 4 km h^-1). The moldboard plow exhibited higher vibrations and bulk density than the disk plow but the latter showed higher total porosity and soil resistance force to cut and consistency. Moreover, when the speed was increased from 1.5 to 4 km h^-1, the vibration soil resistance force to cut and consistency and bulk density increased while the total porosity decreased. Finally, the bulk density and soil resistance force to cut and consistency were higher at lower tillage depths, whereas the vibrations and total porosity were higher at higher tillage depths.

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How to cite this article:

H.F. Mahmood, Q.A. Subhi and E.K. Hussein, 2011. Comparison of Vibrations, Tillage Depths and Soil Properties for Moldboard and Disk Plows at Three Tillage Speeds. Asian Journal of Agricultural Research, 5: 90-97.

DOI: 10.3923/ajar.2011.90.97

URL: https://scialert.net/abstract/?doi=ajar.2011.90.97

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