A rational approach to the fertilization of citrus is to take into account the characteristics of the citrus grove and its natural environment. From there, based on a soil and plant analysis, a fertilization program can be created that will use precise quantities of various fertilizers to meet the desired target yields.

Fertilizer efficiency is sharply reduced when the tree canopy lacks space and sun. If the branches are too close, a program of pruning must first be implemented. Water quality and management will also have an impact on the effectiveness of the fertilization program.

Citrus cultivation typically requires an NPK balance of 1 - 0.3 - 1.2. Since citrus fruits are highly sensitive to chloride, fertilizers with a high chloride content should be avoided.

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