Redistribuição do conteúdo da água do solo podzólico vermelho amarelo irrigado por gotejamento.

Abstract

In this study, the objetive was to determine the moisture redistribuition in field on an Yellow-Red Podzolic Soil, cultivated with banana, observing the wetting front evolution through the time and also a moisture meter in field capacity, using soil moisture meters and drips of diferenciated discharges. The moisture curves on field capacity were done for elaboration of wet bulb. The wet bulb shape apresented 114cm in a transversal direction and 108cm in a longitudinal direction for the average width and discharge of 6,0L/h, till a depth of 60cm. For the conditions of tropicals sandy soils, the field capacity corresponding the matric potencial of 10 kPa isn't accept, because the average of matric potencial obtained for the field capacity in this soil was 6,0 kPa for the discharge of 6 L/h.