In present experiment the desorption of adsorbed ammonium by soils and clay minerals from ammonium chloride and ammonium acetate solutions of various concentrations and at different pH values were studied in detail. The samples used include a lateritic red soil (SiO2/R2O3 of clay 1.05), a red soil (SiO2/R203 1.63), a podsolized yellow soil (SiO2/R203 1.59), a betonitic clay and a kaolinitic clay.
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陈家坊.中国某些红黄壤中吸收性铵的解吸作用[J].土壤学报,1957,5(4):331-344. C. F. CHEN. DESORPTION OF ADSORBED AMMONIUM IN CERTAIN RED AND YELLOW SOILS OF CHINA[J]. Acta Pedologica Sinica,1957,5(4):331-344.