The effect of water hyacinth compost and humic acid on On morphological and biochemical properties in lily flower (Longiflorum×Asiatic cv. Eyeliner)
In recent years, the development of water hyacinth (Eichhornia crassipes) has been a problem in wetlands and ponds in northern Iran. Converting water hyacinth to compost and vermicompost and its application as a growth media can be one of the effective techniques for water hyacinth control. The aim of the present study was to investigate compost of water hyacinth and application of humic acid on the vegetative, flowering and some elements in Lilium. An experiment was carried out with factorial arrangement based on the completely randomized design. The first factor was compost (25%, 50%, 75% and 100%) and the second factor was humic acid (0, 250 and 100 mg L-1). According to the results the highest stem height and vase life were observed with 13.26% and 25% increase compared to the control in 50% compost + 250 humic acid, respectively. The highest number of buds, leaf number, longest root, chlorophyll, nitrogen, phosphorus and calcium content were recorded in 50% compost + 250 and 500 humic acid. The results of this study showed that water hyacinth compost with 250 and 500 mg L-1 humic acid improved vegetative, reproductive traits and vase life of Lilium.
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