Tomato phenological phases and their nutrition requirements

The following plan is suggested to achieve the mentioned requirements, for a determinate cultivar of field tomatoes with a life span of 140 days, and an expected yield of 100 MT/ha, by fertigation via drip irrigation. Potassium nitrate should be used as the primary source of potassium, and a partial source of nitrogen. The balance of nitrogen should be sourced from calcium nitrate, magnesium nitrate and ammonium nitrate, as per the following phase-specific rates.

Phenological Stage Tomato

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