The development of the subjects of Russia has shown the need for adjustments to approaches providing the national food security of the country. This problem affects the penal system, which needs to be safely provided with foodstuffs. An integral part of solving this problem is the promotion of science-based models of effective cooperation of public funds and private capital with the consideration of specific production conditions. It is necessary to identify empirical gaps in the knowledge about the use of public-private partnership (hereinafter - PPP) mechanisms in the interests of ensuring the food security of the national penitentiary system. We assume that the application of PPPs in the agricultural industry can be considered one of the most relevant instruments facilitating the innovative development of the agricultural sector of the economy, free competition, protection the rights of the resource owners.

It is well known that there is a relationship between the productivity of forest phytocenoses and soil fertility, which is largely determined by the terrain and soil geomorphology. An important element of assessing the productivity of forests is the substantiation of the methodology for modeling the age dynamics of the growth of forest stands, depending on soil and ground conditions. The solution of this methodological problem is possible only if there is data on forest objects, represented by permanent sample plots and data from a detailed soil survey.

Studies of the effect of litter chicken manure applied in doses of 500-1000 t/ha showed a significant increase in the humus content in soils up to 2.8-5.2%, led to an increase in the content of thermophilic microflora in soils up to 12 · 105 CFU/ g, to an increase in the content of mobile phosphates up to 1200 mg/kg. However, the content of mobile forms of heavy metals (Pb, Zn, Cu, Ni) also increased. The increase in humus content in soils positively correlated with the content of mobile phosphates (r up to 0.5). Keywords: SOD-PODZOLIC SOIL, FERTILIZERS, CHICKEN MANURE, AGROCHEMICAL AND PHYSICO-CHEMICAL SOIL PROPERTIES

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