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Lisianthus (Eustoma grandiflorum (Raf.) Shinn) is a favorable flower plant for decoration year-around, especially during New Year holiday. This experiment was conducted in order to evaluate influences of five substrates and three concentrations of foliar fertilizer on growth and development of Lisiathus in Ho Chi Minh City. The obtained results indicated that the plants which were grown best on the substrate mixture of 30% cow dung : 40% coco peat : 20% rice husk ash : 10% soil had better plant height (46.06 cm), number of leaves (63.30 leaf/plant), number of flower buds (14.20 buds/plant) and number of flower (6.17 flowers/plant) than the other treatments. Lisianthus grown on the substrate mixture of 30% cow-dung : 40% coco peat : 20% rice husk ash : 10% soil mixed foliar fertilizer Dau Trau MK 30-10-5 at a concentration of 2.0 g/L was highest in the plant height (46.80 cm) and number of leaves (66.00 leaves/plant). However, the number of flower buds and number of flower were 15.47 buds/plant and 7.53 flowers/plant, respectively when Lisianthus was grown on substrate 30% cow-dung : 40% coco peat : 20% rice husk ash : 10% soil mixed foliar fertilizer at a concentration of 1.0 g/L.
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