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ARPN Journal of Science and Technology >> Volume 7, Issue 2, November 2017

ARPN Journal of Science and Technology

Contribution of Weed Control and Tillage Systems on Soil Moisture Content, Growth and Forage Quality of (Clitoria & Siratro) Mixture under- rainfed conditions at Zalingei - western Darfur state - Sudan

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Author Suliman Adam Ahmed Mohammed
ISSN 2225-7217
On Pages 80-92
Volume No. 3
Issue No. 1
Issue Date February 01, 2013
Publishing Date February 01, 2013
Keywords Tillage, weed management, plant density, forage quality.


Two studies were conducted for two consecutive seasons (2009/2010 and 2010/2011) in a semi-arid Savannah zone, at the University of Zalingei demonstration farm Western Darfur State. The aim of the research was to study the contribution of tillage system (conventional and conservation tillage) and weed control (mechanical weeds control) on soil moisture content, growth and forage quality of two leguminous species viz. Clitoria (Clitoria ternatea) and Siratro (Macroptilium atropurpureum) mixture under rainfed conditions. The design used was Spit-plot with three replications; in which the main plots were assigned to the tillage systems and the sub- plots to the weed management. Soil moisture content was measured at different depths (0-20, 20-40 and 40-60cm) and at different growth stages (seedling, flowering and maturity). Data were collected on plant density, percentage of plant cover, plant height, leaf to stem ratio and forage quality. The results indicated that none of the treatments (mechanical weed control, tillage operation had statistically significant effect on soil moisture content, except during the flowering stage of Clitoria and Siratro in which conventional tillage significantly increased plant height. On the other hand, conventional tillage and mechanical weed control significantly increased plant density, plant height, percentage of plant cover and leaf to stem ratio of both Clitoria and Siratro. Moreover, they improved forage quality in terms of protein, phosphorus and fiber contents.

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