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A Preliminary Assessment of Citrus Spacing on Production Using a “Sub-standard" Rootstock-scion Combination
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Abstract
Trees of old-line ‘Atwood’ navel sweet orange [Citrus sinensis (L.) Osbeck] on Rubidoux trifoliate orange [Poncirus trifoliata (L.) Raf.] were planted in 1970 at 331 to 801 trees per ha to determine effects of tree spacing on growth, yield, production costs, and fruit quality. Growth measured as trunk circumference and hence fruit-bearing capacity per tree was inversely proportional to tree density but fruit yields per hectare increase with close spacing.
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HortScience