TY - JOUR ID - TI - MEASURES OF SPECIFIC PRODUCTIVITY, ACTUAL TIME, APPEARANCE AND TILLAGE DEVIATION FOR TWO PLOWS MOSTLY USED IN IRAQ AU - Ahmed Abd Ali Hamid Al-Mafrachi PY - 2015 VL - 7 IS - 4 ملحق SP - 402 EP - 414 JO - Euphrates Journal of Agricultural Science مجلة الفرات للعلوم الزراعية SN - 20723857 AB - Experiment was conducted in Baghdad. Three factor were used in this research included Twotypes of Plows included moldboard and disk plows which represented the main plot, Three forwardspeeds of the tillage was the second factor included 1.85, 3.75 and 5.62 km / h which represented supplot , and Three levels of Soil Moisture was third factor included 21, 18 and 14 % in all of Vertical andLateral Plowing Deviation, Practical and specific productivity, actual time for plowing one donam andappearance (goodness) of Tillage represented by the number of clods > 10 cm in silt clay loam soilwith depth 22 cm were studied. the experiment was used Split – split plot design under randomizedcomplete block design with three replications and Least Significant Design 5 % was used to comparethe means of treatments . Mold-board plow recorded the best Practical and specific productivity forplowing which was 1.247 donam/ hr and 2379 m / hr, and lower actual time for plowing one donam0.972 hr and Appearance Tillage number of clods > 10 cm was 9.555 clods/m2 , Disc Plow recordedthe least Vertical and Lateral Deviation for Plowing which was 2.325% and 2.357% . Tillage Speed5.62 km/hr recorded higher Practical and specific productivity 1.672 donam/hr and 3452 m/hrrespectively and lower actual time 0.608 hr and number of clods > 10 cm was 8.166 clods/m2, Speed1.85 km/hr recorded lower Vertical and Lateral Deviation Plowing 1.221% and 1.068% respectively.Soil Moisture 18 % recorded higher Practical and specific productivity 1.168 donam /hr and 2400 m/hr respectively, lower actual time 1.047 hr and lower number of clods > 10 cm was 9.500 clods/m2.Soil Moisture 21% recorded lower Vertical and Lateral Deviation for Plowing 1.978% and 1.901%respectively. All Interactions among treatments had significant effect on the parameters studded underthis experiment.

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