INFLUENCE OF TILLAGE PRACTICES ON YIELD COMPONENTS AND ECONOMIC ANALYSIS OF MAIZE
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Abstract
An investigation under field condition was carried out to explore the effect of different tillage practices on yield components and economic analysis of maize crop at experimental site of Sindh Agriculture University Tandojam during two growing seasons (2009 and 2010). The tillage treatments include: T1 (conventional tillage), T2 (reduced tillage) and T3 (no tillage). Maximum plant height, cob weight, 1000-grain weight and yield were found under T1 treatment, followed by T2 and T3 treatments during both growing seasons (2009 and 2010). Similarly, the maximum net benefit was also achieved under conventional tillage system, followed by reduced and no tillage treatments during 2009 and 2010; while the maximum marginal rate of return was observed under reduced tillage, followed by conventional tillage system during 2009 and 2010. Therefore, conventional tillage system is recommended to achieve higher maize yield and net benefits.
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