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Abstract
Yields and quality were compared on young bearing ‘Bearss’ lemon (Citrus limon L.) trees grown with 3 rates of N and K and 2 levels of soil moisture over a 4-year period. Increased rates of N application increased fruit production, incidence of fruit with scab, and green fruit; and decreased acid content of juice. Potassium applications increased the acid content of juice. Irrigation increased fruit size and decreased the number of green fruit after curing. A leaf N content of 2.2 to 2.6% is suggested for optimum fruit production for ‘Bearss’ lemon under Florida conditions.
Abstract
Arsenic (As) and lead (Pb) sprays applied to grapefruit (Citrus paradisi Macfad.) accelerate fruit maturity but do not contribute to the As and Pb content of the peel oil. The physicochemical properties of the expressed oils are influenced by this induced maturity but would occur naturally in the course of normal fruit maturation.
Abstract
An N rate associated with reduced fruit production substantially reduced the quantity of peel oil on a per metric ton (MT) of fruit basis and the yield of oil on a per hectare basis of ‘Pineapple’ orange (Citrus sinensis (L.) Osbeck) K had no significant effect on the peel oil content on a per ha basis, but did increase fruit production (MT/ha) and reduced the peel of oil content.