Published in Scientific Papers. Series B, Horticulture, Vol. LXIV, Issue 2
Written by Desislava SLAVCHEVA- SIRAKOVA, Nadezhda SHOPOVA, Kostadin KOSTSDINOV, Stoyan FILIPOV, Katya VELICHKOVA
In the study was determined the impact of organic fertilizers as anti-stress agents and their impact on the particular species. Also was carried out an evaluation of the plant anti-stress response, by applying different methods of reporting and looking for ways to overcome it. Climate change and coming with them abiotic stressors, a consequence of extreme weather conditions, especially affect on salad grown outdoors. What are the climate fluctuations in hydrothermal conditions and how they can affect the growth and development conditions? This question is very relevant at the moment. Therefore a general hydrothermal characterization of the climate in the Plovdiv region for the period 1990- 2019 has been made. In the study were made analyses of the basic conditions during the period investigated, the presence of stressors, as well as an assessment of the impact of major meteorological factors on salad crop productivity, on three different varieties, using four different formulations of organic fertilizers, and also control variants with mineral fertilizer and without fertilizing. The goal was to increase plant resistance to abiotic stress and to guarantee the yield by optimizing nutrition.
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