THE EFFECT OF LOCALLY MODIFIED PLOW ON SOME SOIL PHYSICAL PROPERTIES COMPARED IT WITH OTHER PLOWS
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Abstract
The experiment was conducted to evaluate the effect of the locally modified plow on some soil physical properties and comparing it with other plows at the fields of the College of Agriculture / University of Baghdad (20 km west Baghdad) in 2010 in silt clay loam soil.
Three levels of plow type were used in the experiment included the locally modified sweep plow, chisel plow and moldboard plow which represented the sub– sub plots and three Levels of depth included 5-10, 10-15 and 15-20 cm which represented the sub plots and two levels of speed included 2.55 and 4.32 km/h, which represented the main plots. Massy Ferguson MF-650 tractor was used in the experiment.
The following indicators were studied: bulk density، total porosity and the percentage of soil clod with a diameter greater than 10 cm.
The experiment was designed and carried out according to a split-split plot design under randomized complete block design (RCBD) with three replications. To compare the means of treatments the least significant differences (L.S.D) was used at 0.05 levels.
The results were as following:
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Copyright (c) 2014 A. A. Jasim, A. K. J. Alssadi (Author)
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