Author(s):

Vimal Kumar, Shishu Pal Singh and Priyankar Raha

Abstract: The field experiment was conducted alluvial soil of Indo-Gangatic plain at the Institute Agricultural Research Farm, Banaras Hindu University, Varanasi, Uttar Pradesh, India. The field experiment of potato crop was laid out in a split-plot design with three irrigation schedules (I₁, I₂ & I₃ ) in main-plots and sub-plot spray three types amino acid based biostimulants (A₀, A₁, A₂ & A₃) at three application schedule of amino acid with three replications. The trail of potato crop seeds was planted rabi season and the recommended dose of fertilizers for the crop was 150:100:120NPK kg ha^-1. The maximum yield of potato tuber was recorded both years of experiment were observed in four irrigation schedule and plant based amino acids (I₂A₂). The interaction effect of maximum WUE was observed in I₁A₃ treatment combination in the year 2014-15 and I₂A₂ treatment combination in the year 2015-16. The soil properties in the field experimental site of soil reaction were noticed mildly alkaline and sandy loam soil.

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