Vishal Kumar, Ram Kumar Singh and RN Meena

A field experiment was planned and carried out with entitled “Effect of soil moisture and agrochemical levels on root volume and water productivity of direct seeded rice” for two successive years from 2017-18 to 2018-19 at Agricultural Research Farm of Banaras Hindu University, Varanasi. This experiment was carried out in split plot design with three replications with the objective to study of root volume and water productivity performance under different soil moisture level and agrochemical levels. The result revealed that soil moisture level at 100 per cent DASM had produced significantly higher root volume; among the agrochemical treatments, foliar spray of multi-micronutrient complex (1%) at maximum tillering and panicle emergence stage was found distinctly superior over rest of the treatment in term of root volume at all growth stages except 30 DAS during both the years of mean. Water productivity was found higher in main plot of the treatment of 75 per cent DASM which at par with 50 per cent DASM; among agrochemical treatments, gave significantly higher water use efficiency in the treatment of foliar spray of multi-micronutrient complex (1%) at maximum tillering and panicle emergence stage over the rest of treatments except foliar spray of FeSO4 (1%) and ZnSO4 (0.5%) at maximum tillering and panicle emergence stage during both the years of mean.

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