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Background: Groundnuts are immensely rich in potassium, calcium, phosphorus and B vitamins which offers you with a host of health benefits. Groundnuts are a great blend of healthy fats, protein and fibre that curbs your appetite, lowers the risk of heart disease and regulates blood glucose levels. Objectives: Effects of potassium levels and spacing on growth and yield of summer groundnut. Methods: With the goal of studying the effect of potassium and spacing on growth and yield of groundnut under a Randomized block design with 9 treatments (T1-T9) The experimental results revealed that 120 kg N/ha + 60 kg P/ha produced maximum plant height (49.7 cm) No. of Nodules/Plant (106) plant dry weight (22.9) No of pods (19.3) no of kernals (2.7) pod yield (3.62 ta/ha) Halum yield (4.65 ta/ha). Conclusion: The combination of 40 kg potassium and 30x10 proved to be the most advantageous to farmers, resulting in, plant height (49.7 cm) No. of Nodules/Plant(106) plant dry weight (22.9) No of pods (19.3) no of kernals (2.7) pod yield (3.62 ta/ha) Halum yield (4.65 ta/ha) respectively.