Effects of different nitrogen levels and plant density on flower, essential oils and extract production and nitrogen use efficiency of Marigold (Calendula officinalis).
Efficient use of nitrogen for medicinal plants production, might increase flower dry matter, essential oil and extract yield and reduce cost of yield production. A two year (2005 and 2006) field study was conducted in Torogh region(36,10° N,59.33° E and 1300 m altitude) of Mashhad, Iran, to observe...
| Main Authors: | , , |
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| Format: | Article |
| Language: | fas |
| Published: |
Ferdowsi University of Mashhad
2009-06-01
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| Series: | پژوهشهای زراعی ایران |
| Online Access: | https://jcesc.um.ac.ir/index.php/arable/article/view/1153 |