Effect of zinc and boron on growth, yield attributes and productivity of groundnut (Arachis hypogea L.)

The field experiment was conducted on sandy loam soils to determine the impact of zinc and boron on groundnut (Arachis hypogea L.) var. during the summer season (Zaid) of 2023 at Crop Research Farm, Department of Agronomy, Naini Agricultural Institute, SHUATS, Prayagraj, India. The treatment comprised of ten combinations (viz. zinc at 5/10 and 15kg/ha respectively and at boron.0.10%/0.25% and 0.50% kg/ha respectively) and the experiment was laid down in randomized block design and were replicated thrice. The results showed that the application of Zinc15kg/ha + Boron–0.50% (T9) recorded the maximum plant height (62.43 cm), highest plant dry weight (49.81g), no. of nodules per plant (101.1), seed index (41.79 g), no. of pods per plant (29.1), no. of kernels per pod 2.26), Kernal yield (3.05 t/ha), harvest index (48.38%). Therefore, the study reveals that the application of Zinc15kg/ha + Boron–0.50% treatment effectively improves the growth and productivity of summer groundnut.