山地茶园梯级化是茶农长期累积的保持水土的宝贵经验。当前梯层茶园占菜园总面积的比例很大,如闽东茶区梯层茶园约占80％左右。梯壁保护不好,会逐渐内迁或塌陷,种植匍匐性绿肥作物于茶园的梯壁,由于绿肥的茎叶遮盖土壤,避免雨水直接侵蚀, The cascade of mountain tea gardens is a valuable experience accumulated by tea growers over the long term in order to preserve soil and water. The current ladder of tea plantation accounted for a large proportion of the total area of ​​the garden, such as the tea layer in east Fujian tea about 80%. Wall protection is not good, will gradually move in or collapse, plant creeping green manure in the tea plantation ladder, stems and leaves of green manure cover the soil, to avoid direct erosion of rainwater,