S. M. I. Hossain*, S. U. K. Eusufzai and M. A. Rahman**
ABSTRACT
An experiment was conducted in Bangladesh Sugarcane Research Institute (BSRI) farm at Ishurdi during 2003-04 and 2004-05 cropping seasons to find out the effect of different irrigation levels on growth and yield parameters of six sugarcane varieties (Isd 16, Isd 30, Isd 31, Isd 32, Isd 33 and Isd 34). The experiment was laid up in two factors split-plot design with five irrigation levels in main plots and six varieties in subplots. Irrigations at 21, 28, 35 or 42 days interval in addition to two live irrigations increased sugarcane yield from 15% to 46%. Irrigation at 21 days interval showed higher establishment, tiller, millable cane and yield of cane over irrigation at 28, 35 or 42 days interval. Varieties Isd 34, Isd 31, Isd 32 and Isd 33 showed better performance and produced significantly higher yield among the selected varieties. Hence sugarcane varieties Isd 31, Isd 32, Isd 33 and Isd 34 may be cultivated with potential yield in clay loam soil by providing 4 to 5 irrigations at an interval of 21-42 days in addition to two live irrigations at 0 and 14 days after transplanting when soil bed settlings are used as planting material.
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