The effect of application of four sources of N (ammonium sulphate, urea, calcium ammonium nitrate and ammonium chloride) in three and four splits on the uptake of nutrients by Co 1 tomato was investigated. Among the sources, ammonium sulphate recorded enhanced uptake of N. P and K followed by CAN. urea and ammonium chloride. Three split applications significantly increased the uptake of N. P and K over four split applications.
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