The maximum depth of vertical distribution was more than 1.4 m and the maximum density presented at 40-60 cm . The horizontal root distribution was covering almost the whole ridge and furrow range and concentrated in the furrow and 1.8 m toward ridge direction .

其最大 垂直分布深度可超过1.4m，根系最大密度在40-60cm附近，其水平分布范围几乎覆盖整个 沟 垄范围，集中在沟道及垄上沿蔓方向1.8m范围内。