Detailed Explanation of Key Technical Points for Greenhouse Watermelon Cultivation and Management

In the past, watermelon was always one of the representatives of summer fruit. However, with greenhouse cultivation, it is no longer limited by the seasons. Below, the editor brings you an introduction to greenhouse watermelon cultivation and management techniques.

1. Land preparation and greenhouse construction

Select a plot with relatively high terrain, normal drainage and irrigation, and deep, soft soil to build the greenhouse. Then, before spring sowing, the soil should be deeply plowed about 25 cm to destroy the overwintering sites of pathogens and pests. Use the low-temperature environment to freeze pests to death, then dig the melon furrows well to facilitate the growth of the watermelon plant's roots.

2. Seedling raising and propagation

Generally, sowing and grafting are the main methods, and sowing propagation is used the most. For seeds, choose varieties with high yield, strong disease resistance, and no pests or diseases. Then place the seeds in warm water at about 50 degrees and stir them for about 8 minutes. During seed soaking, a certain humidity must be maintained, and sowing can be carried out after about 85% of the seeds have germinated.

3. Sowing

When the soil temperature remains above 16 degrees, sowing can be carried out. Before sowing, dig the sowing furrows well, water them thoroughly, and then place the seeds in the very middle of the sowing furrows. Place one seed per sowing hole, and after sowing, cover with soil and mulch film. After the seedlings produce their first true leaf, ensure there is sufficient light.

4. Field management

We must reasonably control the amount of water and fertilizer according to the growth conditions of the watermelon and the weather. In particular, note that when the watermelon enters the vine extension stage and the young fruit stage, timely topdressing is required to meet the sufficient nutrients needed for watermelon growth. Then, pruning work must also be done well to prevent an excessive number of vines, which can lead to crossing and overlapping and affect each other's growth. Finally, pay attention to strengthening pest and disease control.

Greenhouse cultivation loses natural regulation, so the control of temperature and humidity is key. When growing watermelons in greenhouses, everyone must be even more meticulous.