The exploitajon and recondition of area land must be carried out in order to obtain thorough understouding of land resources, Not only the evaluation of the individual resources but also that of the three great systems of resources of nature, society and economy is highly necessary.In order to have a further understanding of the features of macroscopic combination, it is also necessary to have a more comprehensive evaluation of land resources by dividing land separate areas, which, regarding the three great systems of natuer, society and economy as a whole, is carrieed out by using a comrehens...
