ISSN:
1573-5036
Keywords:
acid soils
;
Cl- sorption
;
NO 3 − sorption
Source:
Springer Online Journal Archives 1860-2000
Topics:
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
Notes:
Abstract Sorption of NO inf3 sup− by different horizons of a highly weathered, acid tropical soil was measured in laboratory batch experiments. Sorption was found to increase with depth, ranging from small amounts in the 0–15 cm layer to amounts that would be roughly equivalent to 25 to 50% of the NO inf3 sup− in the 90–120 cm layer at water and NO inf3 sup− contents commonly found under field conditions. Calculations, based on sorption isotherms, demonstrated how sorption may be important for managing N in a tropical acid soil. Sorption of Cl− was also found in the range of 0.1 and 2.0 mol m−3. In this range of concentrations sorption of NO inf3 sup− and chloride were found to be independent, suggesting that anion exchange sites were far from saturated.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00007871
