As a perennial herbaceous plant of the Liliaceae family, ligularia is loved for its bell-shaped flowers and refreshing fragrance. With the acceleration of the pace of urban life, hydroponic cultivation has gradually become a new favorite in horticulture. This article will systematically analyze the feasibility of hydroponic cultivation of ligularia and explain the complete operation process of transitioning from soil cultivation to hydroponic cultivation.
Analysis of the Feasibility of Hydroponic Ligularia Cultivation
Analysis of Aquatic Adaptability
Although ligularia is a terrestrial plant, its succulent roots have strong water storage capacity, and can maintain normal metabolism through professional hydroponic treatment. Experimental data show that the survival rate of ligularia plants adapted to hydroponic conditions can reach over 92%, and the flowering cycle is basically the same as that of soil cultivation.
Advantages of Environmental Comparison
Compared to traditional soil cultivation, the hydroponic system allows for intuitive monitoring of root conditions, avoiding root rot caused by soil compaction. The temperature of the hydroponic medium is more stable, maintaining the root environment within the optimal range of 18-22°C.
Steps for Hydroponic Cultivation of Ligularia
Pre-treatment Standards for Roots
For transitioning to hydroponic cultivation, retain 1/3 of the original soil to protect the heart, using 35°C warm water for rinsing, with the water flow rate controlled at 0.5L/min. When pruning damaged fibrous roots, retain the main root length ≥ 8cm and soak in a 800x solution of carbendazim for 20 minutes to sterilize.
Control of Planting Water Level
When using a double-layer hydroponic container, the water level should contact the bottom 1/3 of the roots. When using ceramsite for fixation, ensure a 3-5mm gap for oxygen circulation. It is recommended to change the water once a week, and increase to twice in the summer, with a water temperature difference of ≤3°C.
Key Points for Maintenance of the Hydroponic System
The nutrient solution should be prepared in an N-P-K ratio of 1:2:1, with an EC value maintained between 0.8-1.2mS/cm. Light intensity should be controlled between 8000-12000Lux, ensuring 4 hours of scattered light daily. Regularly use LED plant growth lights to supplement with 460nm blue light to promote photosynthesis.
Through scientific hydroponic management, ligularia can be enjoyed throughout the year. It is recommended to perform a root health check once every quarter, promptly adjusting the maintenance plan to allow this elegant plant to continue blooming in a hydroponic environment.