Studies on the productive structure of "Shirakashi" (Cyclobalanopsis myrsinaefolia Oerst.) coppice-forest [for fuelwood production] managed by selection method, 9: On the growth in the fourth and the fifth circulation-periods at the Shimoyamasa permanent plot [Japan]

coppice forest crops cutting dicotyledons economic plants energy energy sources fagaceae fagales forest products forest trees forestry operations fuels fuelwood harvesting high forest methods natural resources plants processing products quercus resources roundwood silvicultural systems silviculture structural crops timber trees trees