The expediency of application in the system of agroecological researches of studying of nutrients in the combined system “underlying rocks and soilforming rocks – soils – plants natural and agricultural” is substantiated. The agrochemical parameters of such a system are background and anomalous levels of chemical elements. Criteria for the influence of geochemical characteristics of rocks on the agrochemical and ecological state of soils are the processes of physicochemical and biogenic concentration of relevant nutrients in soils and crops. There is presented generalization estimates of the distribution of nutrient chemical elements in the rocks and soils of Ukraine for the period of 2003-2015. The advantage of low content of nutrients in mobile and gross forms of soils in the soils of Ukraine indicates the natural ecological features of growing crops. The definite of the geochemical and metallogenic specialization of underlying rocks with the content of biophilic elements in arable soils for mobile and total finding forms are analyzed. For the territories of 8 natural and agricultural provinces of the zones of Polissia, Forest-steppe and Steppe, specific elements of the geochemical specialization of underlying rocks have been identified. The essential elements of high concentration in the metallogenic zones of rocks are P, Pb, Co, Cu, Mn, Zn, Mo, Ag. Within 7 provinces, territories of conjugate manifestation of P, Pb, Co, Cu, Mn, Zn in underlying rocks and soils were found. Positive geochemical and metallogenic specialization of rocks is promote the formation of local areas of natural ecological sufficientav ailability in the soil: P — in the Polissia area; P, Co, Mn — in the Forest-steppe zone; P, Cu, Mn, Zn — in the Steppe zone. In these territories, the nutrient elements of positive geochemical specialization or metallogensy of rocks determine their high or increased content in mobile forms and lithogeochemical anomalies for the total forms of arable soils. Under these conditions, high levels of nutrient content in soils reveal the natural ecological features of agricultural land. This determines the positive stable agrochemical features of soils that are not associated with anthropogenic pollution.