Document Type : Research Paper
Author
Scientific member of Research Institute of Forests and Rangelands
Abstract
In order to investigate about the effect of chemical fertilizer on seed yeild of Atropa belladonna this project was began in greenhouse during autumn 1993. After this time the plant transfered to field inspring. We used chemical fertilizer (Urea & Super phosphate triple) in a complately randomized block design with 15 treatment and 4 replicate. The results
indicated that seed yeild under fertilizer condition were more than non fertilizer and nitrogen had a important role on seed yeild.
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