Scilight Press

The experiment was conducted in Crop Research Farm, Department of Agronomy during Zaid season of 2022-23 at Naini Agricultural Institute, Sam Higginbottom University of Agricultural Technology and Sciences, Prayagraj (U. P.) to study the economics of soil application of zinc and foliar application of boron in maize. The treatments consisted three levels of zinc (5, 10 and 15 kg/ha) and boron (0.5, 1 and 1.5%) as foliar spray and a control. The experiment was laid out in a randomized block design (RBD) with 10 treatments each replicated thrice. Application of 15 kg zinc with boron 1.5% as foliar spray recorded highest crop growth rate (29.99 g/m²/day), relative growth rate (0.0303 g/g/day), grain yield (6.33 t/ha), stover yield (14.30 t/ha), harvest index (30.7%) and higher gross returns (Rs.109448.00/ha), net returns (Rs.74174.50/ha) and benefit: cost ratio (2.10).