たもうさく
多毛作 multiple cropping

たもくてき
多目的 multipurpose

たもちあい
保ち合い 持ち合い unity even matching interdependence steadiness (of market price)

たもつ
保つ to keep to preserve to hold to retain to maintain to support to sustain to last to endure to keep well (food) to wear well to be durable