All lands entered or acquired under the provisions of this law shall be protected at all times from wildfire and shall be kept and maintained as a permanent public forest except as hereinafter provided. The timber growing thereon shall be cut in accordance with forestry methods approved by the Florida Forest Service and in such a manner as to perpetuate succeeding stands of trees. All such forest lands shall be open to the use of the public for recreational purposes so far as such recreational purposes do not interfere with, or prevent the use of, such lands to the best advantage as a public forest as determined by the forestry committee.