%0 Journal Article %A Sahrawat, K L %A Prasad, R %D 1975 %F icrisat:3963 %I Kluwer %J Plant and Soil %N 1 %P 305-308 %T A rapid method for determination of nitrate, nitrite, and ammoniacal nitrogen in soils %U http://oar.icrisat.org/3963/ %V 42 %X A rapid procedure is proposed for simultaneous determination of NH4-, NO~-, and NO3-N in field moist samples. The procedure involves extraction, with Morgan's solution followed by determination of NH4-N by Nessler's reagent, NO2-N by x-naphthylamine and sulphanilic acid and NOa-N by phenol-disulphoric acid. The method will suit small laboratories and 50 to 75 samples can be analysed in a day.