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2 ABSTRACT The use of soil conditioners represents an alternative to increase the water holding capacity of sandy soils. This research aimed to evaluate the effect of a hydrophilic polymer at different irrigation frequencies on melon production. The melon (Cucumis melo L.) var. Gold Mine was grown on a sandy soil (Quartzpsament) in 3 kg-pots under greenhouse conditions. The experiment was carried out in a 4 x 3 randomized block factorial design. Treatments with commercial hydrophilic polymer at 0, 2, 4 and 8 g per kg of soil were used. The irrigation frequency was 3 daily irrigations and then at 1-day and 2-day intervals. Results showed that adequate level of hydrophilic polymer ranged from 5 to 6 g per kg of soil, and the use of this level allowed a 1-day irrigation interval.

PRODUÇÃO DE MELOEIRO UTILIZANDO UM POLÍMERO HIDROFÍLICO EM DIFERENTES FREQÜÊNCIAS DE IRRIGAÇÃO EM CASA-DE-VEGETAÇÃO