Effects of foliar-sprayed bio-fertilizer with N-fixing <i>Methylobacterium symbioticum</i> on morpho-physiological traits of maize under varying N fertilization rates.

The inoculated N300 + MS treatment increased grain yield by 12% compared to N300 control; however, this difference was not statistically significant, indicating a positive trend that warrants additional investigation, and thereby also indicating that bacterial inoculation could potentially boost productivity even without additional N inputs.

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