Influence of diatomite, zeolite and bentonite clay on indicators of physical and chemical condition of cespitose-podsolic soil

In work results of influence of natural siliceous breeds (diatomite of the Inzensky field, zeolite of the Hotynetsky field, bentonite of the Zyrian field) high doses on some indicators of physical and chemical condition of cespitose-podsolic sandy loamy soil in conditions of the Nizhny Novgorod Region are presented. It is shown, that two years' interaction of high (meliorative) doses of breeds with soil in different degree promotes increase in an indicator of pHKCl, essential decrease in contents in soil of aluminum mobile compounds, and also to increase in maintenance of calcium and magnesium exchange forms. Depending on the applied substance Ca2+ : Mg2+ in soil is narrowed towards relative increase in content of exchange calcium. Changes, happening in soil-absorbing complex, in general demonstrate optimization of colloidal system of soil in conditions of natural high-siliceous breeds use as conditioners - meliorants of ion-exchange and sorption types.