Author(s):

SP Umbarkar, AP Wagh, PS Umbarkar, NV Mane and SP Deokar

Abstract: A field investigation on “Effect of different levels of nitrogen and potassium on available nutrients, nutrient contents, dry matter per plant and nutrient uptake of sweet corn (Zea mays (L).var.Saccharata)” was carried out at Instructional Farm, Department of Vegetable Science, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola (MS) during summer season of year 2018-19. The experiment was laid out in Factorial Randomized Block Design having fifteen (15) treatment combinations and three (3) replications. Among the two factors studied, the factor A i.e. nitrogen (N) was applied in five different levels i.e. N₁ (150 kg ha^-1), N₂ (175 kg ha^-1), N₃ (200 kg ha^-1), N₄ (225 kg ha^-1) and N₅ (250 kg ha^-1). While, another factor B i.e. potassium (K) was applied in 3 different levels such as K₁ (60 kg ha^-1), K₂ (80 kg ha^-1), K₃ (100 kg ha^-1). Available nutrients (NPK), plant nutrient content (NPK), dry matter per plant and also plant nutrient uptake (NPK) were found maximum at nitrogen level N₅ (250 kg ha^-1), potassium level K₃ (100 kg ha^-1) and treatment combination N₅K₃ (250 kg N + 100 kg K₂O ha^-1).

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