Author(s):

Suhana Puri Goswami and BR Maurya

Abstract: A field experiment was carried out at Agricultural Research Farm of Banaras Hindu University Varanasi during Kharif 2017 and 2018. Effect of two potassium solubilizing bacterial strains i.e. KSB₁ (KJ410663) and KSB₂ (KJ410665) were assessed in combination with mineral K. Data revealed that combination of inorganic source and mineral source i.e. biotite along with KSB significantly increased number of lines cob^-1, number of grains cob^-1, cob length, cob weight, grain weight cob^-1and 100-seed weight of crop over uninoculated control. Application of 100% RDK through inorganic and mineral source of K with KSB₁ gave maximum yield attributes as compared to control. Maximum grain and stubble yield were found to be higher with treatment 75% RDK + 25% Biotite + KSB₁ compared to control and reference strain. Therefore, KSB₁ strain was superior to be KSB₂.

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