The best time to plant watermelons outdoorsOpen-air watermelons are suitable for planting in spring, approximately in March and April each year, because the temperature and humidity at this time are more suitable, and open-air watermelons have a higher demand for water during the growth process. In order to promote the growth of open-air watermelons, open-air watermelons can also be planted after the spring rain. How to plant watermelon outdoors1. Germination treatment: When planting open-air watermelons, you need to select seeds with full grains and no damage. In order to eliminate the bacteria on the surface of the open-air watermelon seeds and reduce the infection rate of open-air watermelons, the seeds should be soaked in carbendazim for 15-20 minutes. 2. Planting method: Open-air watermelon is suitable for growing in loose and breathable sandy soil. When planting open-air watermelon, you need to evenly spread the seeds on the surface of the soil, and then cover it with a layer of plastic film to keep the temperature in the soil constant. After the open-air watermelon seedlings emerge, use a knife to cut the plastic film nearby to promote its healthy growth. Points to note when planting watermelons outdoors1. Maintenance: During the planting of open-air watermelons, after the seeds of open-air watermelons germinate, it is necessary to apply human and animal manure fertilizer once, which is beneficial to increase the growth rate of open-air watermelons. In the process of the growth of open-air watermelons, pay attention to spraying potassium dihydrogen phosphate regularly. 2. Pruning: After the open-air watermelon blooms, be sure to prune off the flower buds that have opened too much to reduce competition for nutrients and promote the improvement of the quality of the watermelon fruit. |
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