Effects of Azocompost and urea on the herbage yield and contents and compositions of essential oils from two genotypes of dragonhead (Dracocephalum moldavica L.) in two regions of Iran.

Abstract excerpt

Dragonhead is an annual, herbaceous, balm-scented and spicy aromatic member of the family Lamiaceae. We examined effects of different sources of nitrogen on the content and composition of essential oils in two genotypes of dragonhead in two regions of Iran. The sources of nitrogen used were 100% urea (70 kg N ha(-1)), 75% urea (52.5 kg N ha(-1))+25% Azocompost (3.85 tonha(-1)), 50% urea (35 kg N ha(-1))+50%...

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