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INFLUENCE OF TILLAGE METHODS ON SOIL MOISTURE CONTENT AND SORGHUM GRAIN YIELD IN VERTISOLS OF DRYLAND FARMING NORTHERN GEDARIF

How to cite

Lotfie A Yousif ,Elwaleed M Elamin ,Saeed B Saeed ,2009, INFLUENCE OF TILLAGE METHODS ON SOIL MOISTURE CONTENT AND SORGHUM GRAIN YIELD IN VERTISOLS OF DRYLAND FARMING NORTHERN GEDARIF,Journal of Science and Technology,10 (2) ,pp:60-68

Authors:
By Lotfie A Yousif ,Elwaleed M Elamin ,Saeed B Saeed ,
Year:
2009
Keywords
Vertisols. Tillage methods. Soil moisture. Rainfed sorghum
Abstract
A field experiment was carried out for two consecutive seasons (2003/04 and 2004/05) in the vertisols of the mechanized rainfed agricultural sector in the Northern region of Gedarif state, Sudan, to assess the effects of tillage methods on soil moisture content and sorghum grain yield. The tested tillage methods were; chisel plowing (0.20 m), moldboard plowing (0.20 m), disk harrowing (0.09 m), wide level disk plowing (0.07 m) and zero-tillage. The results revealed no significant difference in soil moisture content among the different tillage methods. The wide level disk plowing resulted in a consistent yield throughout the two seasons compared to other tillage treatments. Zero tillage and chisel plowing resulted in a significantly higher sorghum grain yield in the first season and combined analysis. It is concluded that, zero-tillage is promising and justifiable for the production of rainfed sorghum.
الملخص
05 ) في التربة الطينية المتشققة / 04 و 2004 / نفذت تجربة حقلية خلال موسمين متتاليين ( 2003 لقطاع الزراعة المطرية الآلية شمال القضارف، السودان. لتقييم اثر طرق الحراثة على المحتوى الرطوبي للتربة وانتاجية محصول الذرة الرفيعة. طرق الحراثة المختبرة هى: المحراث الحفار ( 0.2 متر) ، المحراث القلاب ( 0.20 متر)، المشط القرصي ( 0.09 متر)، المحراث القرصي العريض ( 0.07 متر) و الحراثة الصفرية. أوضحت النتائج انه لاتوجد فروقات معنوية في المحتوى الرطوبي للتربة بين طرق الحراثة. المحراث القرصي العريض أعطى إنتاجية متماثلة خلال الموسمين مقارنة بمعاملات الحراثة الاخرى. الحراثة بالمحراث الحفار والحراثة الصفرية اعطتا اعلى انتاجية معنويا في كل من الموسم الاول والتحليل المركب. تخلص الدراسة الى ان الحراثة الصفرية واعدة ومبررة الاستخدام لانتاج الذرة الرفيعة في المناطق المطرية.
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