The 100 best includes rice fields which look very like 'Tanada,' being located on a slope steeper than one twentieth, so it is expected that the Japanese traditional method of agricultural management is inherited in those rice fields, but actually mechanization is under way.
百選には、傾斜度が20分の1よりも急で、いかにも「棚田」と思えるような場所が選ばれており、日本古来からの営農法が受け継がれていると考えがちであるが、実際は機械化が進んでいる。