Field Performance of the Disk Harrow, Power Harrow and Rotary Tiller at Different Soil Moisture Contents on a Clay Loam Soil in Mazandaran
Journal Title: Journal of Agricultural Machinery - Year 2015, Vol 5, Issue 1
Abstract
About 60% of the mechanical energy consumed in mechanized agriculture is used for tillage operations and seedbed preparation. On the other hand, unsuitable tillage system resulted in soil degradation, affecting soil physical properties and destroying soil structure. The objective of this research was to compare the effects of three types of secondary tillage machines on soil physical properties and their field performances. An experiment was conducted in a wheat farm in Jouybar area of Mazandaran as split plots based on randomized complete block design with three replications. The main independent variable (plot) was soil moisture with three levels (23.6-25, 22.2-23.6 and 20.8-22.2 percent based on dry weight) and the subplot was three types of machine (two-disk perpendicular passing harrow, Power harrow and Rotary tiller). The measured parameters included: clod mean weight diameter, soil bulk density, specific fuel consumption, machine efficiency and machine capacity. The effects of treatments and their interactions on the specific fuel consumption, machine efficiency and machine capacity and also the effects of treatments on bulk density were significant (P
Authors and Affiliations
M. Rajabi Vandechali,A. Hemmat,A. Ghanbari Malidarreh,
Keywords
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