What had little effort during South Korea 's first 20 year of growth ?
These projects referred to the five - point program for nature transformation unveiled by Kim Il Sung in 1976 : completing the irrigation of non-paddy fields ; reclaiming 1,000 square kilometres of new land ; building 1,500 to 2,000 km² of terraced fields ; carrying out afforestation and water conservation work ; and reclaiming tidal land .