In the published research work emerging from the universities and USDA laboratories there is, as noted, no conscious effort to learn how nature feeds the microorganisms who feed the plants (as documented by Krasilnikov, 1958; McLaren and Peterson, 1967; Jennings, 1963; Sanders et al, 1975; Marks and Kozlowski, 1973; Mori et al, 1977 and many others).