The response of Coriander (Coriandrum sativum L.) herbs to some nutritional treatments

Though chemical fertilizers increase crop production, their long-term use causes soil compaction and decreased fertility, increased air and water pollution, as well as increased greenhouse gases emission, ultimately leading to serious damage to human health and the environment. A greenhouse experiment was conducted during 2018 to evaluate the effects of chemical and bio-fertilizers on the quality and quantity of Coriander (Coriandrum sativum L.) in a randomized complete block design with four treatments. The experimental treatments included chemical fertilizer (NPK), seaweed extract, humic acid, and control (without fertilizer) with five replications. The results showed that the treatments had a significant effect on most of the traits. The highest plant height, plant dry weight, number of umbels per plant, number of seeds per plant, 1000 seed weight, number of primary branches, chlorophyll content, leaf carotenoid content, and essential oil content were obtained in the plants treated with chemical fertilizer as well as seaweed extract. The highest plant fresh weight was obtained from chemical fertilizer treatment, and the highest number of secondary branches (9.08) and linalool percentage (61.32%) were obtained from the seaweed extract treatment. The results indicated that the seaweed extract could be a good replacement for chemical fertilizers in coriander.

Article Type:
Research/Original Article
Iranian Journal of Medical and Aromatic Plants, Volume:35 Issue:5, 2019
834 - 845  
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