Dynamics of the Chemical Composition of Precipitation and Input of Elements in an Agricultural Area in Southern Bulgaria by Tsetska Simeonova, Lyuba Nenova

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Ecological problems and nitrogen balance in vegetable crops growing by Tsetska Simeonova, Dimitranka Stoicheva, Petra Alexandrova

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Chemical Composition of Soil Solutions of Technosols from a Coal Mine Region in South-Eastern Europe by Tsetska Simeonova, Maya Benkova, Lyuba Nenova, Irena Atanassova

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Content and uptake of macroelements by the biomass and grain of barley (Hordeum vulgare L.) grown as aftereffect by Lyuba Nenova, Tsetska SIMEONOVA, Maya BENKOVA, Irena ATANASSOVA

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Fertilization and maize yields in a four-year cycle crop rotation under various soil and climatic conditions by Iliyana Gerassimova, Martin NENOV, Tsetska SIMEONOVA, Miladin NAZARKOV, Zdravka PETKOVA

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Influence of biochar addition to fluvisol on maize yield and soil microbiota by Maya Benkova, Lyuba NENOVA, Tsetska SIMEONOVA, Galina PETKOVA, Angelina MIKOVA, Irena ATANASSOVA

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