Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
Field studies were conducted over the period of 2004–2006 at the Experimental Station in Zawady. The soil of the experimental site belongs to a very good rye complex. The field arrangement of plots was a split-plot design with four replicates. The design included control plots. Three factors were examined: I – soil cultivation technique associated with spring wheat cultivation (A1 – direct drilling of spring wheat, A2 – conventional cultivation); II – soil cultivation technique associated with stubble catch crop cultivation (B1 – a set of post-harvest operations of soil tillage follo wed by catch crop planting, B2 – direct planting of catch crop); III – kind of plant cultivated as a stubble catch crop (C1 – white mustard, C2 – lacy phacelia). The purpose of the study was to determine the effect of selected stubble catch crop (white mustard and lacy phacelia) on the yielding of spring wheat cultivated in monoculture. The studies revealed that the examined catch crops significantly influenced the grain yield of no-till spring wheat compared with the yield of wheat grain harvested from plots where no catch crops had been cultivated. Autumn incorporation of the catch crops had a smaller effect on the yield quality and yield components. As for the conventional cultivation, the kind of catch crop biomass incorporated did not significantly influence spring wheat yields. However, there was found a small increase in the grain yield and the number of grains in an ear in the plots with phacelia. Pre-harvest operations performed before stubble catch crop sowing significantly increased the grain yield and the weight of 1000 grains. Significantly lower average yields were associated with no-till cultivation compared with conventional (plough) cultivation.
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