Detailed Explanation of Key Points for Shangshu 19 Sweet Potato Cultivation Techniques

To cultivate Shangshu 19, you need to master a suitable plant and row spacing. Similar to other varieties, Shangshu 19 can be cultivated in multiple seasons, has few pests and diseases, and watering and fertilizing depend on the growth situation. After harvesting, replenish fertilizer and water in time; it is a high-yield variety.

Shangshu 19 Cultivation Techniques

1. Cultivation plant and row spacing

When cultivating in a nursery, the plant spacing is 25-28 cm and the row spacing is 35-40 cm. After survival, when it grows to 20 cm, pinch off the growing tips in time to promote leaf stalk growth. When the leaf stalks reach 20 cm, begin harvesting. The first harvest is carried out 30 days after planting, and afterward harvesting should be done every day, picking the long and leaving the short, repeating continuously; each month, 4500 kg/hectare of leaf stalks can be harvested.

2. Planting time

Planting Shangshu 19 is not limited by season. In winter and spring, greenhouses can be used for planting, basically achieving year-round supply, but current large-scale production is mainly open-field cultivation in summer and autumn.

3. Planting advantages

The stems and leaves grow quickly, the leaves are large and the stems are thick, and the leaf stalks are thick and long. Replenishing fertilizer and water in time after harvesting can achieve high yield, and the income is quite considerable. Vegetable sweet potato is drought-tolerant, barren-tolerant, and highly stress-resistant, with wide adaptability and few pests and diseases. Generally, high yield can be obtained without using pesticides, and the vegetable leaf stalks are pure natural green vegetables.