DYNAMICS OF ALLOCATION СО2 IN CROPS OF FIELD CULTURES ON DERNOVO-PODSOLIC AND PEAT SOILS

Abstract

Dynamics of allocation C-СО₂ on soddy-podzolic soil in pure to steam, in a deposit and in crops of field cultures at entering organic, mineral and organic- mineral fertilizers is studied. Also studying of issue C-СО₂ is spent on different types of soils with a natural vegetative cover: on soddy-podzolic, peat-podzolic, peat-gley soils in the mixed wood with a cover of plants and without it. It is established, that продуцирование carbonic gas in crops of different cultures depends on features of the culture, hydrothermal conditions of growth and soils fertility. Application of fertilizers strengthens issue С-СО₂ under different cultures from 1,2 to 1,7 times. The sizes of issue depended on change of hydrothermal conditions - increased in the spring, reached a maximum in the summer, decreased to since autumn. In supervision from May till November at the expense of breath of root systems in crops of a potato and annual lupine, in a deposit 45-46% С-СО₂, in soddy-podzolic soil - 25%, peat- podzolic - 22%, peat-gley to soil - 44% are on the average produced.