نتایج جستجو برای: tractor mounted ppenetrometer
تعداد نتایج: 23534 فیلتر نتایج به سال:
the purpose of this research was to study and predict fuel consumption rate of tractor due to different aspect ratios of chisel plow blade and to determine a general relationship equation between aspect ratio ( ) and fuel consumption rate. an itm-399 (81 kw) tractor and a mounted-type chisel plow with 9 shanks were used. the 5 and 10 cm width chisel blades were used. the experiments were condu...
Nacrtak Over the last decades many Mediterranean sites were planted with conifers, which offered fast growth, good fibre quality and the capacity to grow on poor soils. If not thinned, these stands cannot develop strong and healthy trees and they become vulnerable to stress agents. The authors designed a complete operation for the thinning of conifer plantations under favourable terrain conditi...
BACKGROUND Agricultural tractor overturns without rollover protective structures are the leading cause of farm fatalities in the United States. To our knowledge, no studies have incorporated the spatial scan statistic in identifying high-risk areas for tractor overturns. The aim of this study was to determine whether tractor overturns cluster in certain parts of Kentucky and identify factors as...
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