<![CDATA[Drought stress is a condition that can affect the growth of celery, treatment of fungus Trichoderma harzianum is expected to overcome this condition. This study aims to find out the effect of giving fungus Trichoderma harzianum on the growth of celery plants under drought stress conditions. This research was conducted from September 2020 to January 2021. The method used was a completely randomized design with a factorial pattern consisting of 2 factors with 5 replications. The first factor was watering time (P) consists of watering every day (P1), every 4 days (P2), every 6 days (P3), every 8 days (P4), and every 10 days (P5). The second factor was fungus Trichoderma harzianum consists of 0 g/kg (T1), 25 g/kg (T2), 50 g/kg (T3), 75 g/kg (T4), and 100 g/kg (T5). The result showed that the drought stress treatment had a significant effect on the plant height, root volume and root wet weight. Watering treatment every 10 days reduced plant height, root volume and wet weight of celery plants. Treatment fungus Trichoderma harzianum significant effect on celery plant height. Concentration 50g/kg Trichoderma harzianum was the best treatment that can increase the height of celery plants.]]>
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