Abstract
The field experiment entitled “Influence of potassium and zinc on growth, yield and economics of Cluster bean” was conducted during kharif season, 2022 at Crop Research Farm in the Department of agronomy, Naini Agriculture Institute, Sam Higginbottom University of Agriculture, Technology And Sciences, Prayagraj Uttar Pradesh. The treatment consisted of three levels of K (15, 20 and 25 kg/ha) Zn (10, 15 and 20 kg/ha) and control. The experiment was layout in Randomized Block Design (RBD) with 10 treatments and replicated thrice. Application of K (25 kg/ha) and Zn (20 kg/ha) produces higher plant height (139.20 cm), maximum number branches per plant (5.86), nodules/plant (49.45) and higher dry weight (21.53 g), maximum number of pods/plant (73.13), maximum number of grains/pod (9.13), higher seed yield (1363.56kg/ha), straw yield (3208.91 kg/ha). However, the maximum gross return (77,405.66 INR/ha), maximum net return (54,121.66 INR/ha) and maximum benefit cost ratio (2.32) were obtained with the same treatment- 9 (K 25 kg/ha + ZnSO4 20 kg/ha).
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