[Productivity of grains in administrative regions of the Republic of Belarus and its connection with cultivation conditions]

Productivity of grain crops in administrative areas of Belarus for 2004-2006 is analyzed. Among operating factors the greatest influence renders a point of fertility of arable land. Climatic conditions as a whole insignificantly influence on average productivity. The level of productivity also is connected with social and industrial conditions of region of cultivation. Productivity in some areas exceeds 50 c/ha, and the least makes 17,2 c/ha. The wide range of available data and presence of significant number of operating factors for the further analysis have caused of application of regression analysis. Linear regresses dependence of productivity on soil-climatic indices have been were calculated. Conducted data of various areas as a whole confirm conclusions made earlier about absence of obvious interrelation between the received productivity and the basic climatic characteristics, and also the area of farmland. It is possible to allocate only a parameter of settlements density which in areas with high productivity makes 26-51, and in lagging behind - 8-22 h/km. Thus it is necessary to consider and the objective reasons, in particular contamination of territory by radionuclides. It is necessary to note also that the tendency which has developed in last years of use of waste in republic technologies of cultivation of agricultural crops with increasing degree of unifications and reliability of receiving of quality indicators. The lead analysis has revealed importance of influence of point plough administrative area on grain productivity and insignificance of influence of the basic climatic parameters. It marginally characterizes significant work of experts of facilities on practical realization of technologies of cultivation of grain crops with adaptation to developing conditions. It is necessary to continue activity on increase of fertility of arable land. Unification of applied technologies will allow to reduce a kind of applied techniques with maintenance steady and economically expedient technologies