The aim of the experiment carried out in 1994-1996 was to determine the effect of the intensity of weed control in winter triticale with the use of Granstar 75 DF herbicide applied in 3 doses: 24.0; 18.0 and 12.0 g(ha^-1 on the yield and nitrogen agricultural productivity. It was shown that the effectiveness of Granstar 75 DF depended on the herbicide dose applied and the highest effectiveness was obtained for the maximum dose of 24 g(ha^-1 (76.7%). After 8 weeks the effectiveness increased on average to 79.2%. The Granstar 75 DF had a significant effect on the crop yield and agricultural effectiveness of nitrogen, regardless of the dose applied.

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