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Acta Scientiarum. Agronomy

versão On-line ISSN 1807-8621

Resumo

GONDIM, Ancélio Ricardo de Oliveira et al. Soil water and salinity balance on banana irrigated with water of varied salinity. Acta Sci., Agron. [online]. 2009, vol.31, n.1, pp.1-6. ISSN 1807-8621.  https://doi.org/10.4025/actasciagron.v31i1.6600.

The objective this work was to evaluate the advisory use of two cultivars banana and the salinity of the soil in different water salinity levels (0.55; 1.70; 2.85; and 4.00 dS m-1) during the reproductive phase. The experimental design chosen was randomized complete blocks in subdivided plots, totaling eight treatments with four repetitions per treatment. The salinity levels were obtained from natural waters of wells from sandstone and calcareous aquifers and were mixed in masonry tanks in order to obtain the desired salinity concentrations. It was verified that the area of the bulb with moisture greater than 8% represents approximately 50% of the volume of the soil. The evapotranspiration of the culture decreased with the increase in the salinity among the treatments; the average kc in the period varied from 1.01 to 1.09 in waters of extreme salinity. Comparing the salinity profiles of the soil, it was verified that the concentration of salts was highest on the surface layer at 440 days.

Palavras-chave : banana culture; salinity; irrigation.

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