Scientific bases of classification of arable lands on productivity of soils for cultivation of the basic agricultural crops

The article highlights the theoretical and methodological approaches to classification of arable land by suitability soils for growing major crops, which are based on environmentally friendly use agricultural land, is now considered as basis development society a whole. Methodological this doctrine demands plants environmental factors, need various resources (light, heat, humidity, etc.) their response combination conditions, including idea optimum, ecological amplitudes limiting plasticity or adaptation. assessment territory itself intensive (ie part soils) an fertility factors inherent in territory. This analysis terms compliance with basic requirements plants. When do not meet external question arises about unsuitability plant adapt conditions or, conversely, conditions. Until now, scientific practical work issue was aimed at determining relationship indicators-scores non-cost indicators. In case, we talking concomitant study set natural ie ecosphere, relation agrobiological characteristics certain species, crops. solution problem recommended following stages: carrying out natural-agricultural zoning territory; generalization environment; agro-climatic substantiation placement crops allocation zones cultivation; soil scales accordance cultivation crops; tables classifications lands according actual location opportunities improvement.