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Untitled - MendelNet 2013 - Mendelova zemědělská a lesnická ...

Untitled - MendelNet 2013 - Mendelova zemědělská a lesnická ...

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MENDELNET <strong>2013</strong>THE INFLUENCE OF FERTILIZATION ON THE SPECIESCOMPOSITION OF SEMI-NATURAL GRASSLANDSMaršálková L., Skládanka J.Department of Animal Nutrition and Forage Production, Faculty of Agronomy, MendelUniversity in Brno, Zemedelska 1, 613 00 Brno, Czech RepublicE-mail: lucie.marsalkova@centrum.czABSTRACTThis paper deals with the influence of the level of fertilization on the species composition of seminaturalgrasslands. This factor was examined in levels: not fertilized, fertilized PK, fertilized90N+PK, fertilized 180N+PK. The other examined factor was relation to the intensity of use(duble-cutting, triple-cutting). Monitored factor influencing the primary production was as level ofinfluence as weather conditions too. Evaluate growth is located at experimental habitat near villageKameničky. Evaluated years were: 1993, 1997, 2002, 2007 and 2012. Fertilization was done bymineral fertilizers. Cut was realized for triple-cutting at the beginning of June, September andOctober. For double-cutting in half of June and October.The results show that species composition of semi-natural grasslands declined with increasing doseof nitrogen. On the contrary, was growing (P

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