条件筛选
-
How to grow sweet potatoes for higher yields? These four methods are very practical
For inverted planting, first cut off the top 2-3 nodes of the sweet potato vine, then cut it into sections of 4 nodes each, remove the petioles and leaves of the upper two nodes of each section, keep the petioles and leaves of the lower two nodes, and plant them upside down on the ridge, so that one petiole base is left exposed above the ridge surface