-63- TABLE 49.--Number of commercial farms by race of operator, level of mechaniza- tion, and economic class of farm, North and West Florida, 1956 : Economic class All :_____. Race of operator and : commercial : : level of mechanization : farms : : Part- : : : : : : : VI : time : V : IV : III : II I : : V : : : : : NoT. Io.. -. NL. NTiOQ. No. No.- No. White: No workstock or tractor 18 5 2 5 5 1 .. . Workstock only : 19 5 2 7 5 . Workstock and tractor : 33 3 1 3 11 7 7 1 Tractor only : 107 7 15 17 36 21 9 2 Nonwhite: No workstock or tractor 4 1 .. 2 1 .. .. Workstock only : 16 9 2 4 1 ., .. Workstock and tractor : 14 5 2 2 5 .. .. .. Tractor only 3 1 .. .. 2 . All commercial farms : 214 36 24 40 66 29 16 3 6 percent of the value of total resources. As indicated previously, the major portion of total agricultural resources was reported by farms in economic classes I, II, and III, which appeared only among the farms with white operators. The value of resources reported by the 48 farms in these three classes amounted to almost 50 percent of the value of total resources reported by the operators of the 368 survey farms. Investment in land, livestock, and machinery and equipment averaged $13,569 for the 368 farms (Table 51). As would be expected, average investments increased with farm productivity--they ranged from $4,700 for the 91 residential farms to $123,000 for the 3 farms in economic class I. Investments in farm