Effect of N and K on growth and yield of turmeric in alluvial plains of West Bengal

An experiment was conducted on turmeric cv. Suguna with levels of N (100, 150 and 200 kg/ha) and K (100, 150 and 200 kg/ha) along with uniform dose of P @ 60 kg/ha. The maximum plant height, leaf number and leaf dimension were obtained with highest level of both N and K (N₂₀₀K₂₀₀). The same combination of nutrient also showed pronounced effect on weight of clumps, i.e. yield/plant, weight of primary fingers and yield/ha. Maximum number of primary fingers and secondary fingers were observed in N₁₅₀K₂₀₀ and N₂₀₀K₁₀₀treatment respectively, while both longest primary and secondary fingers were recorded in N₁₅₀K₂₀₀ treatment. Thus, it can be concluded that application of 200 kg N, 60 kg P₂O₅ and 200 kg K₂O/ha may be adopted for obtaining higher yield of turmeric in alluvial plains of West Bengal.