Estimation of the influence of the spatial organization of agrophytocenosis on potato productivity in the conditions of Kola peninsula

In two-factor field experiment the author studied the influence of agrocenosis density and size of the potato planting tubers of the Khibinskii early variety on its productivity. The low-sized statistic models of the influence of agrocenosis spatial structure on biological and economical potato yield in order to use in practical agrophytocenology were developed. The fundamental ability of application to model of potato planting of phytocenological rules «-3/2» and «constancy of total yield» was estimated. On the basis of use of system approach and substantial analysis of created polynomial and allometric models the author obtained adequate description interrelations between biological and economical potato yield and also parameters of spatial structure of agrocenosis.