What issues should be noted when turning sweet potato vines?
1. When there is plenty of water, adventitious roots form at the stem nodes. These adventitious roots can absorb a large amount of nutrients and water, making vegetative growth vigorous and causing the vines to grow excessively, while inhibiting reproductive growth, so the tubers grow slowly. At the same time, the adventitious roots also produce small tubers, causing insufficient nutrients and creating a situation where "everyone goes hungry," which...
1. When there is plenty of water, adventitious roots form at the stem nodes. These adventitious roots can absorb a large amount of nutrients and water, making vegetative growth vigorous and causing the vines to grow excessively, while inhibiting reproductive growth, so the tubers grow slowly. At the same time, the adventitious roots also produce small tubers, causing insufficient nutrients and creating a situation where "everyone goes hungry," resulting in low sweet potato yields. In this case, the sweet potato vines must be turned frequently to control the formation of adventitious roots and inhibit excessive growth, thereby providing more nutrients for reproductive growth and allowing the tubers to grow quickly.
2. In conditions of drought and water shortage, the sweet potato vines should be turned less or not at all, allowing adventitious roots to form at the stem nodes to provide more water and nutrients for the plant's growth, which is beneficial to the plant's growth and survival. Otherwise, it is detrimental to the plant's growth and survival, and the sweet potato yield will decrease.