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SL 199: Prioritizing Citrus Nutrient Management Decisions

Figure 1. Sensitivity of pineapple orange trees planted on a native ridge sand to omission of single nutrient elements. The “+All” treatment received all essential nutrients; the N omission treatment was half of the N applied in the “+All” treatment. (From Koo and Reese, Proc. Fla. State Hort. Soc., 1971).