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Influence of nitrogen, acid humic and nitrogen, phosphorus- soluble bacteria on saffron (Crocus sativus L.) corm reproduction and flower production of Torbat Heydarieh landrace

Document Type : Original Article

Authors

1 Medicinal plants department, Faculty of agriculture and natural resources, University of Torbat Heydarieh, Iran

2 Department of Plant production, University of Torbat Heydarieh

Abstract

With the aim of investigation of Humic and biological fertilizer sources together with nitrogen fertilizer on corm production on Torbat Heydarieh landrace, an experiment was conducted in research farm of University of Torbat Heydarieh in 2015-2016. The experiment consisted 18 treatments in which main factor was three levels of nitrogen fertilizer (0, 25, 50 kg/ha as urea) and sub factor was application of Biumic (micronutrients and acid humic), Super humic, Superhumic+Biumic, Humiful (acid humic), Nitrokara (nitrogen, phosphorus-soluble bacteria) and control. The experiment performed as split plot layout based on randomized complete block design with three replications. Results demonstrated that application of nitrogen had the significant effect on fresh weight and fresh yield of replacement corms. In 25 kg nitrogen treatment the fresh weight and fresh yield of replacement corms increased 5.6 and 8.2 percent in compared to control, respectively. In Super humic+Biumic treatment the fresh and dry weight of replacement corms increased 61.5 and 60.2 percent in compared to control, respectively. All of resource treatments significantly enhanced number of replacement corm. Overall, it seems that nitrogen fertilizer using had not considerable impact on corm traits, but employing of Humic and biological fertilizer could be very important on saffron corm production.

Keywords

References
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Iranian Journal of Seed Science and Technology
Volume 10, Issue 2 - Serial Number 22
Summer of 2021
July 2021
Pages 73-84
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