Abstract

Abstract Increased N and K rates resulted in higher acid content in juice of ‘Temple’ orange (Citrus hybrid). P fertilization lowered both soluble solids and acid contents, but the influence on acid was more pronounced as it was reflected in higher soluble solids-acid ratio. High N vs. low N treatment also caused a small but consistent reduction in juice content. Spring irrigation resulted in higher soluble solids content than fall irrigation. N treatments decreased and K treatments increased both fruit size and weight; irrigation treatments showed no consistent trends. High N and spring irrigation treatments caused increased intensity of orange color in rind. Incidence of creased fruit was increased by high N, low K, and spring irrigation treatments. No consistent trends were found in fruit storage decay with grove treatments and the data were significant only in certain years.

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