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An experiment with tomatoes (Licopersicon esculentum) – middle-early production was perlformed on an Alluvial-meadow soil (Fluvisol FAO) in Tsalapitsa, Plovdiv district.
The investigation was done with three tumato cultivars: Precos-F1, Bakini, and Pink Charm. The influence of fertilization with equivalent quantities organic and mineral fertilizer on reproduction and structure of yields was examined. The structure of the yields varies between 42.4% and 56.5% for vegetative yield and between 43.5% and 57.6% for the fruit. According to the highest obtained yield of fruit, the Bakini cultivar fertilized with mineral fertilizer formed the biggest fresh and air-dry vegetative yield.