Method of Hydroponic Cultivation of Nephrolepis
Hydroponic cultivation of Nephrolepis has become a new favorite among urban green plants due to its clean and beautiful characteristics, but many people often cause the leaves to turn yellow due to improper methods during maintenance. This article summarizes a scientific hydroponic system through 20 years of gardening experience to unlock the survival code of this fern in a water environment.
Regulation of Three Elements in Hydroponic Environment
Key Points for Humidity Control
The roots of Nephrolepis need to maintain 70%-80% environmental humidity, it is recommended to use a mist spray bottle to spray twice a day, morning and evening. During the winter heating period, a humidifier tray can be placed next to the container to form a locally humid microclimate through water evaporation.
Temperature Management Techniques
The temperature difference between water temperature and room temperature should be controlled within ±3°C, with the most active metabolism of the plant at a constant temperature of 25°C. In summer, a double-layer glass container can be used to insulate heat radiation, and a constant temperature heating base is recommended in winter to maintain a temperature of 18°C or above.
Light Adjustment Plan
Using the '3+3 Cycle Maintenance Method': Place in a diffused light environment for 3 days, then move to the east-facing window sill to receive 3 hours of morning light, and配合 a 60% shading rate curtain can perfectly replicate the lighting conditions under the forest in the native habitat.
Four Steps to Complete Hydroponic Transplantation
Root Preprocessing
Soil to water requires a 7-day root training period: soak the roots in clean water for 2 hours a day and gradually extend, add a 5% carbendazim solution on the 5th day for disinfection, and finally activate the differentiation of water roots with a rooting powder solution.
Container Selection and Planting
It is recommended to use a wide-mouth siphon bottle with a diameter of 15cm, using the 'sandwich planting method': layer volcanic rock particles at the bottom, coral stone matrix in the middle, and fix the plant with a planting basket on the top, ensuring that the roots are suspended in the nutrient solution.
Nutrient Solution Mixing Ratio
Prepare a special nutrient solution with N-P-K=1-0.5-2, and control the EC value between 0.8-1.2mS/cm. Add 3ml of concentrate weekly during the growing period, and switch to monthly supplementation during the dormant period.
Application of Coral Stone Matrix
Coral stones washed for 15 days in running water can stabilize the pH at 6.0-6.5, and their honeycomb structure can carry 8000 CFU/g of beneficial bacteria, forming a natural biological filter bed to prevent root rot.
Points for Daily Maintenance
Water Management Cycle
Implement the 'Color Identification Method': When the water level drops to 1/3 of the container and the water body appears light amber, supplement the preset mature water to 2/3, combined with weekly 2 times of leaf back spraying.
Light Cycle Strategy
Use the 'Stepwise Light Supplement Method': Turn on the plant growth light from 10:00 to 15:00 every day in winter, maintain a distance of 30cm, and gradually increase the light intensity from 3000Lux to 5000Lux.
Algae Prevention Techniques
Adding 0.01% hydrogen peroxide solution can inhibit the growth of algae, use an ultrasonic cleaner to treat the inside walls of the container monthly, and release 3-5 apple snails to build an ecological balance.
Through systematic hydroponic management, Nephrolepis can maintain an ornamental cycle of over 3 years. It is recommended to conduct secondary metabolite testing every half year, dynamically adjust the maintenance plan based on the plant's condition, and let this ancient fern thrive in the water world.