title: Impact of growing conditions on morphophysiological characteristics of tomato genotypes
abstract: The effect of manure and CaCO 3 on growth, on the content of photosynthetic pigments, on activity photosystem 2 (PS 2) and, yield parameters six varieties of tomatoes were studied. Plants were grown under conditions of closed (greenhouse) and open ground, with manure applied in the calculation of 500 g and CaCO 3 (chopped eggshell) 50 g per 1 m 2 of soil. Revealed that the high grades of the photosynthetic apparatus and productivity characterized by the varieties Tolstoy and Volgograd, which can
journal: Agrarian science