"Terrace Planting Video" Sweet Potato Leaves
In reinforced concrete cities, growing vegetables on balcony has become a new way for urban people to get close to nature. Known as the "Queen of Vegetables", sweet potato leaves are becoming a popular choice for balcony planting due to their strong vitality and rich nutritional value. The tender stems and leaves of this convolvulaceae plant native to tropical America not only contain 5-10 times more vitamin C than ordinary vegetables, but are also rich in dietary fiber and antioxidants. Comprehensive strategies for planting sweet potato leaves on balcony, seedling raising and transplanting skills Select sweet potato roots with smooth skin and full bud eyes, and pay attention to changing water every day when using hydroponics to accelerate germination. When the buds grow to 15cm, keep 2-3 true leaves for cuttage. It is recommended to use planting boxes with a depth of more than 25cm, and lay ceramite on the bottom to enhance drainage. Daily maintenance points: Sweet potato leaves prefer a warm and humid environment, and maintain the watering principle of "seeing wet when the soil is dry". Apply diluted organic liquid fertilizer (ratio of nitrogen, phosphorus and potassium 2:1:3) every half of the month, and pay attention to rotating the flower pot regularly to ensure even light. Appropriate shade should be covered in summer, and when it is below 10℃ in winter, it should be moved indoors. Pest and pest control plan Common pests include leaf miners and red spiders, which can be controlled with capsicum water or matrine. Regularly pruning the old leaves at the bottom and keeping the plants ventilated and transparent can effectively prevent the occurrence of downy mildew. The first harvest of sweet potato leaves can be carried out 30 days after harvesting and edible planting, and the two basal nodes are retained to promote the germination of lateral buds. The best time to pick is early morning, when the leaves have sufficient moisture and complete nutrition. Fresh sweet potato leaves can be cold, stir-fried, or made into vegetable cakes. Their mucus protein helps protect the gastric mucosa.
Through systematic planting management, 1 square meter of balcony space can achieve an annual output of 10-15 kilograms. This planting method, which has both ornamental and practical values, not only adds green and healthy ingredients to the family table, but also allows urban people to gain a unique experience of healing the body and mind during the planting process. After mastering key maintenance techniques, even novice growers can easily achieve the freedom of sweet potato leaves.