PROBLEM TO BE SOLVED: To reduce hard labor such as weeds, landslides, and invasion of groundwater, which cause pain for farmers on a slope (1). A main pillar water absorption pipe is installed in the well (10), and wooden pillars and bamboo materials are vertically inserted around it to collect water in the ground. Logs (7) round slices (8), arrangements, and unit arrangements (14) are used to control weeds around the slopes, and unit arrangements (14) are used for tsunami countermeasures. Figure] Figure 2【課題】法面（１）は農民の苦痛の種となる、雑草、土砂崩れ、地下水の侵入など艱難辛苦労働の軽減【解決する手段】法面裾野、池尻（１）の軟弱地盤を掘削した縦穴井戸（１０）に主柱吸水管を配備その周囲に木柱、竹材を垂直挿入し、地中集水。法面周辺雑草抑制には原木丸太（７）の輪切り材（８）、配列、ユニット配列（１４）で法面雑草に対応し、津波対策にはユニット配列（１４）の多積層構築網【選択図】図２
