How to grow vegetables without soil on the balcony

1. Vegetable selection, fruits and vegetables that can be cultivated without soil are: tomatoes, cucumbers, bitter gourds, strawberries, and radish. Leafy vegetables include lettuce, celery, coriander, bok choy, rape, water spinach, etc.

2. Prepare utensils, plastic flower pots or styrofoam boxes with trays at the bottom, as long as the drainage and air permeability are good, so that the vegetables can grow better.

3. Sowing, the seeds must be soaked in 32 degrees of warm water for 6 hours, the seedlings are filled with a soaked substrate with plastic pots or styrofoam boxes, fingers dig holes, 2 seeds per hole of fruits and vegetables, dig ditches for leafy vegetables, and sow seeds along the small ditch. Cover with a substrate and press lightly, cover with a plastic bag or film and wait for the seedlings to emerge.

4. For cultivation management, water should be sprayed more in summer to cool down, and heat preservation should be strengthened in winter. During the growth period, an appropriate amount of water should be poured every day, and the amount of water should be drenched with all the sprouts and seedlings each time, and the substrate should be wet, and some nutrient solution should be sprayed appropriately to promote the growth of vegetables.