Improvement of Chickpea (Cicer arietinum L.) Productivity using Selected Carrier-based Rhizobial Biofertilizers at Dendi District, Central Highlands of Ethiopia.

Mulugeta Mekonnen* and Abere Mnalku

Ethiopian Institute of Agricultural Research, Holetta Agricultural Research Center, Addis Ababa, Ethiopia.

Corresponding Author E-mail: mulebiotec@gmail.com

DOI : http://dx.doi.org/10.12944/CARJ.10.2.11

Abstract:

This study anticipated assessing the productivity enhancement effect of selected native rhizobial inoculants on chickpea on camber bed settings at Ginchi sub-station; Dendi districts, central highlands of Ethiopia during 2019-21The trials were laid in RCBD by triplications with a plot size of 12m². The two-year’s average result showed a statistically significant difference among treatments (p ≤ 0.05) in aboveground biomass at the early podding stage and grain yield. The uppermost average grain yields (2286.4 and 2283.8 kg/ ha) were gotten from inoculation of rhizobial inoculants CP-26 and CP-41 during the 2019/20 and 2020/21 cropping seasons, respectively. The partial economic analysis results also showed that CP-26 and CP-41 were superlatively hopeful inoculants that exhibited a high marginal rate of return of 8683% and 8642%, which are 86.3% and 85.9% higher than the marginal rate of return of the local standard check CP-17, respectively. Therefore, inoculants CP-26 and CP-41 can be considered the best candidates for developing promising chickpea inoculants for Dendi heavy clay soil and similar agroclimatic conditions of Ethiopia after having appropriate validation work.

Keywords:

Biofertilizers; Chickpea; Cicer arietinum L., ; Productivity; Rhizobial Inoculants; Soil Nutrition

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