Influence of organic matter on the adsorption of boron in two leached acidic soils of Indian sub-tropics

摘要

The adsorption study of boron was conducted in two soils (inceptisol and alfisol) of Indian sub-tropics with the addition of graded doses of boron amended with and without organic matter. The results reveal that the amount of boron adsorbed was recorded an increase with increasing concentration of applied boron as well as equilibrium concentration of boron (B) in soils of alfisol and inceptisol treated with organic matter, but the percentage adsorption decreased with an increasing equilibrium concentration of 15. The ratio of concentration in equilibrium to the amount adsorbed of B was recorded relatively higher in an alfisol compared to inceptisol. The magnitude of B adsorption without the application of organic matter was much less in both alfisol and inceptisol. The supply parameters of boron in soils of inceptisol and alfisol have been found to be increased with the application of boron, being increased a greater magnitude in an inceptisol when supplied with organic matter. The maximum buffering capacity of B in an inceptisol and alfisol treated with organic matter was recorded as 4.32 and 8.93, while that of the same without the application of organic matter was 35.23 and 6.21.