Abstract
The objective of this work was to establish the dry-matter production and yield at different irrigation levels and moments of water application. An early cultivar, INIA-Sandu, was transplanted in Nov. 1996. Treatments were a combination of: no irrigation, irrigation at 25 kPa and 75 kPa of soil moisture tension during the first 60, 30 to 90, 60 to 120 days, and during all the cycle after crop establishment. Sequential samples were done throughout the growth cycle. The parameters evaluated were fresh and dry weight of leaves, stems, and roots. At the end of the crop cycle, yield was determined. Irrigation levels and early applications affected weight of leaves, stems, and roots. Yield was greater at early water applications during the growth cycle. Lower soil moisture tensions tend to have greater yields.
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