Organic sources use of amino acids based biostimulants and irrigation schedule on yield: Water use efficiency relationship on potato tuber

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.