Effective fertility of soil and application green fertilizers for its improvtment

In work the main reasons for decrease in indicators of effective fertility of soils and manifestation of some signs of a fatigation are considered. Results of researches on use different in biology and accumulation of organic weight the green fertilizers and their influence on the main indicators of fertility of soils is given. Optimum ways of improvement of agrochemical, biological properties of the soil and ecology in system a soil-plant with the minimum expenses are stated.