World Journal of
Pharmaceutical and Life Sciences

An International Peer Reviewed Journal for Pharmaceutical and Life Sciences
An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)
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Abstract

EFFECTS OF SPACING ON GROWTH OF SORGHUM (SORGHUM BICOLOR L) AT ASSOSA DISTRICT, BENISHANGUL GUMUZ, ETHIOPIA

Abiyot Abeje* and Ferehewiot Deressegn

ABSTRACT

A field experiment was conducted at Assosa District during the main cropping season of 2016 to evaluate the effect of spacing (inter- and intra-row spacing) on yield and yield components of sorghum (Sorghum bicolor L.). Four inter-row spacing (50cm,60cm,70cm and 80cm) and four intra-row spacing (10, 15, 20, and 25cm) were evaluated as treatments using a randomized complete block design with three replications. Yield and yield related parameters such as plant height, tillers per plant, grains per panicle, thousand grain weight and grain yield were collected and analyzed using SAS software. Results of the experiment showed that out of the parameters measured, plant height, tillers per plant, grains per panicle, 1000-seed weight and grain yield were affected by inter-row spacing significantly (P<0.01).Similar to the effect of inter-row spacing, intra-row spacing also affected plant height, tillers per plant, grains per panicle and grain yield significantly (P<0.01) but thousand grain weight affected non-significantly (P<0.01).The economic analysis showed that inter-row spacing, intra-row spacing and their interaction effect had maximum net income, benefit cost ratio and marginal rate of return at 70cm inter-row spacing, 15 cm intra-row spacing and interaction effect of 70cm x15cm while had minimum net income, benefit cost ratio and marginal rate of return at 50cm inter-row spacing, 25 cm intra-row spacing and interaction effect of 80cm x25cm. Finally, 70cm inter-row spacing with 15cm intra-row spacing is recommended for higher yield in the district.

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