Yield, quality and foliar nutrient concentration of 'Orlando' tángelo under different fertilizer regimes
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Keywords

Citrus fruits--Fertilizers
Nitrogen fertilizers
Potassium fertilizers
Phosphorus fertilizers

How to Cite

González-Vélez, A., & Ruiz-Sifre, G. (2001). Yield, quality and foliar nutrient concentration of ’Orlando’ tángelo under different fertilizer regimes. The Journal of Agriculture of the University of Puerto Rico, 85(1-2), 41-47. https://doi.org/10.46429/jaupr.v85i1-2.3154

Abstract

An experiment was done to evaluate the effect of different levels of nitrogen, phosphorus and potassium fertilization on the yield, quality and foliar nutrient concentration of 'Orlando' tángelo in a Corozaf clay soil. Nitrogen levels evaluated were 0,85.2,170 and 341 kg/ha. Levels of phosphorus evaluated were 0,12.4, 24.8 and 49.6 kg/ha; and potassium levels were 0, 47.8, 94.6 and 188 kg/ha. A significant linear response was found between the nitrogen application and the cumulative production of fruits per tree. High application of nitrogen was related to high cumulative production. No significant relationship was found between the phosphorus and potassium levels and the cumulative production. The application of different levels of nitrogen, phosphorus, and potassium had no effect on the average fruit weight and the quality of fruits in terms of pH, brix, acidity and brix/acidity rate. The different levels of nitrogen significantly affected the foliar nutrient concentration of nitrogen, calcium, potassium and phosphorus. Different applications of phosphorus significantly affected the foliar concentrations of calcium and potassium. The levels of potassium had no significant effect on the foliar concentrations of the different elements evaluated.
https://doi.org/10.46429/jaupr.v85i1-2.3154
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