PJB-2018-159
Effect of nitrogen fertilizer rate on the essential oil content of Mentha longifolia, Mentha microphyta and Ocimum basilicum plants
Mohammed A. Al-Fredan
Abstract
Nitrogen fertilizers are widely used in the agriculture fields to improve the crop production. The main objective of the present study was to investigate the effect of nitrogen levels on the quantity and quality of essential oils present in the Mentha longifolia, Mentha microphyta and Ocimum basilicum plants. It was found that these plants had maximum content of essential oils when 200 kg nitrogen fertilizer was used per hectare. The composition of the essential oil in the tested plant species also differed significantly. The results suggest that the use of nitrogen fertilizers may increase the production of essential oils in the plants. The results indicated that the use of nitrogen fertilizers also improve the quality of the essential oils produced in the plants.
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