Yield and economic assessment of the legume-grass mixtures depending on the system and frequency of their utilization and botanical composition
2008
Gawel, E. | Madej, A.,Instytut Uprawy Nawozenia i Gleboznawstwa - Panstwowy Instytut Badawczy, Pulawy (Poland)
Yields of three different mixtures of clover with grass depending on the system (cutting and grazing) and frequency (each 21st, 28th, 35th, and 42nd day) of their utilization were compared in this paper. Economic efficiency of different systems of fodder utilization was additionally evaluated. Fodder produced from the grazing system was cheaper than this produced from the cutting one. The longer period of legume-grass vegetation, the lower content of energetic units per 1 kg of dry matter, direct costs and costs per piece of production of 1 t of dry matter and 100 feed units for lactation (UFL). Efficiency of nitrogen fertilization under these conditions was higher in comparison to the objects where cutting took place every 21st and 28th day. Influence of botanical composition of mixtures on analyzed parameters was low. The mixture with festulolium was characterized by the best nutritional value and the lowest efficiency of nitrogen fertilization. Dry matter yields of compared mixtures, direct costs and costs per piece of fodder production were similar, irrespective of the grass species in a mixture
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