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Agriculture & Food, Volume 2, 2014

EFFECT OF THE COMPOSITION OF SEEDLINGS MIXTURE ON THE PHYSIOLOGICAL BEHAVIOR AND PHOTOSYNTHETIC PRODUCTIVITY OF TOMATO PLANTS
Nikolina G. Shopova, Dimitar T. Cholakov, Dimka I. Haytova
Pages: 171-178
Published: 1 Jun 2014
Views: 1923
Downloads: 483
Abstract: The purpose of this investigation was to be established the influence of the components of the seedling mixture on the physiological behaviors and the photosynthetic productivity of tomato plants, during the vegetative growth stage after planting, under the conditions of late field production. The variants with additives of different components of organic and organo-mineral origin to the standard peat-pearlitic mixture and peat-pearlitic mixture with absorbent (TPSA) were tested. It was found that the using of a peat-pearlitic mixture with absorbent + additive was a precondition for a greater physiological potential of the plants during the vegetative growth stage. The parameters of the leaf gas exchange, biological yield and the photosynthetic productivity reached their highest values in the use of TPSA and the addition of organic fertilizer Boneprot 2%.
Keywords: tomato seedlings, seedlings mixture, biological yield, net photosynthetic productivity, leaf gas exchange, plastid pigments
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