条件筛选
-
Detailed Guide to Russian Comfrey Cultivation Techniques
Russian comfrey is not choosy about soil and can be grown on idle land. Deep plow the planting plot to more than 20 cm and apply sufficient base fertilizer, then cut the young buds on the root pieces lengthwise, plant one plant per root, with a plant-to-row spacing of 40 cm by 50 cm. After each cutting, apply a topdressing once, and in dry