This Law sets forth the rules and principles for determining land and soil resources and their classification, preparing land utilization plans, preventing non-purpose utilization, and defining the tasks and obligations to ensure land and soil preservation. Soil Preservation Boards are established in each province to examine, assess and monitor the activities related to the preservation, development and productive utilization of lands. Lands are classified as absolute farming lands, special crop lands, cultivated farming lands and marginal farming lands.