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Crop yield data from 918 experimental years with shallow (5–10cm) non-inversion tillage and 226 experimental years with no-tillage conducted in the period 1983–2012 were analysed, especially regarding effects of crop, preceding crop, soil type and duration of tillage system. For all experiments with shallow tillage, crop yield was 1.8% lower than for mouldboard ploughing. Yield of spring cereals and...
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