Effects of different soil tillage intensity on yields of spring barley
2014
Pernicova, A., Mendel University in Brno (Czech Republic). Dept. of Agrosystems and Bioclimatology | Prochazkova, B., Mendel University in Brno (Czech Republic). Dept. of Agrosystems and Bioclimatology | Hledik, P., Crop Research Institute, Prague (Czech Republic) | Filipsky, T., Mendel University in Brno (Czech Republic). Dept. of Agrosystems and Bioclimatology
Within the period 1990-2012, effects of different soil tillage intensity on yields of spring barley were studied in a field experiment in the sugar-beet producing region (Ivanovice na Hane, Czech Republic). The forecrop of the spring barley was always sugar beet; following in three different crop rotations, after maize for silage, winter wheat and spring barley. Four variants of tillage were evaluated: Variant 1 - ploughing to the depth of 0.22 m; Variant 2 - shallow ploughing to the depth of 0.15 m; Variant 3 - no tillage; Variant 4 - shallow loosening soil to the depth of 0.10 m. Effect of different tillage on yields of spring barley was statistically insignificant. In all three crop rotations, the highest and the lowest average yields were obtained in Variant 2 (ploughing to the depth of 0.15 m) and Variant 1 (ploughing to the depth of 0.22 m), respectively. Average yields in variants of soil tillage were these: variant 1 - 6.42 t/ha; variant 2 - 6.57 t/ha, variant 3 - 6.53 t/ha, variant 4 - 6.50 t/ha. The obtained results indicate that in these pedo-climatic conditions reduction of intensity soil tillage represented a very suitable alternative in case of growing spring barley after sugar beet as compared with the conventional method of tillage by ploughing to the depth of 0.22 m.
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