Winter catch crops production and quality in the lowland region
1993
Gregorova, H. (Vysoka Skola Polnohospodarska, Nitra (Slovak Republic))
In 1985-1989 in conditions of temperate warm and dry climatic zone (Nitra, Slovakia) there was observed the productive ability and quality of 3 groups of winter catch crops: early (hybrid of winter turnip rape Perko PVH, winter rape cv. Silesia); medium-early (rye, vetch-rye mixture); late (wheat, vetch-wheat mixture). It was confirmed that it is reasonable to grow early and medium-early winter catch crops. Brassicaceae catch crops in 3 from 4 years were suitable for harvest by mowing already in the 1st decade of April. The rye and vetch-rye mixture followed. Wheat catch crops did not provide enough green feed till the 1st mowing of perennial fodder crops. Medium-early winter catch crops were the most productive. Brassicaceae catch crops had a lower content of fibre and higher concentration of all macroelements in comparison with the catch crops of the cereal type. The harvest index 2 for nitrogen was within the interval of 105-241.3, for phosphorus 17.9-43.3 and potassium 76.1-500.6.
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