ECONOMIC ANALYSIS AND ECOLOGICAL EFFECT OF FERTILIZING WITH ORGANIC PRODUCTS ON NATURAL GRASSLANDS UNDER THE CONDITIONS OF BIOLOGICAL FARMING by Katerina CHURKOVA, Boryana CHURKOVA

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STATISTICAL ANALYSIS OF ECONOMIC INDICATORS IN NITROGEN FIXATION OF BIRD'S FOOT TREFOIL CULTIVARS AND ITS INFLUENCE ON THE ECOLOGICAL EFFECT by Boryana CHURKOVA, Katerina CHURKOVA

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IMPACT OF CULTIVAR CHARACTERISTICS ON THE ECONOMIC EFFICIENCY OF BIRD'S-FOOT-TREFOIL FODDER by Boryana CHURKOVA, Katerina CHURKOVA

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ECONOMIC EVALUATION OF FERTILIZING WITH ORGANIC FERTILIZERS IN THE PRODUCTION OF BIRD'S FOOT TREFOIL FODDER by Katerina CHURKOVA, Boryana CHURKOVA

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PRODUCTIVITY AND ECONOMIC EFFICIENCY IN THE PRODUCTION OF SEEDS OF BIRD'S FOOT TREFOIL CULTIVARS by Boryana CHURKOVA, Кaterina CHURKOVA

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STATISTICAL ANALYSIS AND ECONOMIC EFFICIENCY OF FODDER PRODUCTION FROM NATURAL GRASSLAND (TYPE CHRYSOPOGON GRYLLUS L.) FERTILIZED WITH HUMATE FERTILIZERS by Кaterina CHURKOVA, Boryana CHURKOVA

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