Seedlings can fall for several reasons, but almost all of them can be eliminated if measures are taken in time.
Here are the main problems and their solutions:
Incorrect watering
The reason is sometimes over-watering or over-drying of the soil. Excess water causes root rot, and lack of water weakens them. Water the seedlings when the top layer of soil dries out slightly. Make sure that the containers have drainage holes. Use water at room temperature and avoid stagnant moisture.
Lack of light
The stems stretch and thin out, trying to "reach" the light source. Provide 12-16 hours of light per day. If there is not enough sun, use phytolamps. Turn off the backlight at night - the plants need a period of darkness.
Drafts and temperature changes
Cold air currents or sudden temperature changes weaken seedlings. Remove plants from open windows, vents, balcony doors. If the seedlings are on a windowsill, protect them with a transparent screen (for example, made of film).
Nutrient deficiencies
Poor soil or lack of fertilizers lead to weak growth and fragile stems. Fertilize seedlings every 10-14 days with complex fertilizers (for example, with nitrogen, phosphorus and potassium). Do not overdo it - excess fertilizers are harmful.
Thickened planting
Plants compete for light and nutrition, causing stems to thin out. Thin out seedlings or transplant them into individual cups so that each sprout has enough space.
Diseases (eg black leg)
Fungal infections often occur with excess moisture and poor ventilation. Remove affected plants. Water the soil with a solution of potassium permanganate or biofungicide (Fitosporin). Reduce watering and ensure air circulation.
Author: Elena Shimanovskaya