Effect of liming, phosphorus and ammonium sulphate on ammonification and nitrification in peat

Abstract

Mincralizalion of native N in an cxticmcly acid [x^l following liming and addition of P and (NH^)jSO^ was ijivesligalaJ. All Uic UcaUncnLs increased NM^-N uplo 20 days inculiation followed by a rapid d c c T e a s e lo a tniniinum at 35 days.'I hc trend, Uiereafler, mainly followed a slow increase at 45 days. Released of NHj-N increased significanlJy witJi ])H and added (NH^)jSO^ specially where lime and N were applied together.