Document Type : Research Paper
Authors
Department of agronomy, Faculty of Agricalture, Roudehen Branch , Islamic Azad University, Roudehen, Iran
Abstract
In order to study the effects of organic and bio-fertilizers on some quantitative and qualitative characters of dragonhead (Dracocephalum moldavica L.), an experiment was conducted as randomized complete blocks design with eight treatments and three replications. The study was conducted in the Research Field Station of Ran Agricultural Company in Firouzkuh, 2015. The treatments were 20 t/ha manure, 10 t/ha vermicompost, biofertilizer (Nitroxin + Bio Super Phosphat), 10 t/ha manure + 5 t/ha vermicompost, 20 t/ha manure + biofertilizer, 10 t/ha vermicompost + biofertilizer, 10 t/ha manure + 5 t/ha vermicompost + biofertilizer and chemical fertilizer (NPK: 80, 70 and 80 kg/ha). The results showed that treatments had significant effects on the traits studied except plant height, so that the highest flowering shoot no./plant, flower dry weight, plant dry weight and dry flowering yield were obtained with integrated application of 10 t/ha manure and 5 t/ha vermicompost. In addition, the highest essential oil content and geraniol in the essential oil were obtained in the treatment of application of 10 t/ha vermicompost.
Keywords
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