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STUDYING OF EFFECT AND INTERFERANCE SOIL MOISTURE AND PLOWING DEPTH ON THE DRAG FORCE RESISTANCE AND TOTAL ECONMICAL COSTS FOR MECHENARY UNIT | ||
| AL-TAQANI | ||
| Article 1, Volume 23, Issue 2, 2010, Pages 81-91 | ||
| Abstract | ||
| Field experiment in the farms of the agriculture collage –University of Baghdad Abu-Ghraib area in a salty clay loam soil to study the effect of soil moisture and plowing depth on practical productivity, drag force resistance, Slippage percentage and total cost for machinery units.The treatments including two levels of soil moisture (17%,12%) and three depth of plowing (13,17and 21cm) .Randomized complete block design with three replications and LSD (0.05) was used to compare the means of treatments at 0.05. The experiment results showed that under 17% of soil moisture for all depth of plowing reported increasing Significant of practical productivity with mean(0.606h/hr), Otherwise both of drag force with mean (1847kg.f) resistance, Slippage percentage with mean (7.100%) and total cost for machinery units with mean (40087.413D/h) reported decrease Significant, depth of plowing 13cm Reported Significant for two content best productivity with mean (0.657 h/hr( with least Slippage with mean (4.982%) and total cost with mean (37886.055 D/h(. | ||
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