Utilization of fly ash - bottom ash, compost and arbuscular mycorrhizal fungi on growth of crops

This study examines the effectiveness of fly ash-bottom ash (FABA) from Suge Steam Power Station, Belitung Island, Indonesia. FABA will formulated with compost and arbuscular mycorrhizal fungi (AMF), as Komfaba an ameliorant for a source of nutrition for the growth of corn, eggplant, and tomato. The study was carried out in a greenhouse experiment by applying compost and FABA in three comparisons, ie 75:25, 50:50 and 25:75; two doses of Komfaba 1250 g/pot and 2500 g/pot; and two doses of AMF 2.5 g/pot and 5 g/pot. Plants growth were observed until the vegetative phase and analyzed the number of mycorrhizal infections in plant roots. In general, Komfaba composed of compost:FABA=75:25, at a dose of 2500 g/pot and AMF 2.5 g/pot produced significant increase in few growth parameters (plant height, shoot fresh weight, root fresh weight, and root length) of corn, eggplant and tomato. Fly ash-bottom ash can be used as a soil amendment agent and provides better results when combined with compost and arbuscular mycorrhizal fungi.

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