Vol. 8, Issue 3, Part K (2024)

Abstract: A two-year (2020 to 2022) research conducted at Prayagraj (Uttar Pradesh, India) in IRS farm of Sam Higginbottom University of Agriculture, Technology and Science to developed empirical models for irrigation level with benefit -cost ratio of mustard crop under water limiting conditions. Under this heading, irrigation scheduling based on the soil-water limiting condition. Mustard crop of variety Varuna (T-59) under this research work considered. The experiment was plotted in random block design. This research work included 5 treatments with three replications. Under soil-water-limited conditions, irrigation volume is lowered by 20%, 40%, 60%, and 80% of the design depth of irrigation (60 mm) in the second, third, fourth and fifth treatments, respectively. However, in the first treatment, full irrigation depth is provided without any stress. Under water limiting condition, the benefit-cost ratio of the percentage of irrigation depth showed a satisfactory connection (R² = 0.863).