600。 When planting Zongba leaves, the row spacing is about 50 cm, the nest diameter is 30 cm, the nest depth is 10 cm, and the yield per mu is 600. Divide the big nests of Zongba leaves collected in Shan Ye or leaf garden into small nests, and cut off the stems and roots of 3-5 leaves in each small nest. When planting, compact the stem roots with fine soil, and irrigate with proper amount of manure after planting.