Evaluation of the Integration Effect of Organic with Chemical Fertilizer on Some Morphological, Physiological, Yield Components and Performance of Sweet Pepper (Caspsicum Annuum, Var: Traviata) in Field Conditions
In order to investigate the integration effect of organic and chemical fertilizer on vegetative and yield characteristics of sweet pepper (Caspsicum annuum, Var: Traviata), an experiment was conducted on a randomized complete block design with three replications at Ferdowsi University Research Station Mashhad in 2017. Treatments were included control (without adding any fertilizer), NPK fertilizer, animal, vermicompost, vermicompost+chemical, animal+chemical, animal+vermicompost and animal+vermicompost+chemical. The results showed that the application of combined animal and chemical fertilizers significantly increased the morphological and yield components of the plant. The highest plant height, leaf number, leaf area, shoot dry weight, spad index, Fruit length, number of fruits per plant and fruit fresh weight per plant were obtained from combined animal and chemical treatments. Used of combine animal and chemical fertilizer was increased amount of stomata conductance about 45% in compare of control. The highest number of cavities in fruit was obtained from vermicompost treatment and the highest fruit diameter was recorded from combined vermicompost in chemical fertilizer. In general, the results showed that the use combine of animal and chemical fertilizer due to the effect of improving physical and chemical structure of soil, stimulation of some microorganisms and availability of nutrients, lead to increase the morphological traits, yield components and yield of sweet pepper.
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