Organic matter manipulations have little effect on gross and net nitrogen transformations in two temperate forest mineral soils in the USA and central Europe

Holub, Scott M.; Lajtha, Kate; Spears, Julie D. H.; Tóth, János A.; Crow, Susan E.; Caldwell, Bruce A.; Papp, Mária; Nagy, Péter T. 2005. Organic matter manipulations have little effect on gross and net nitrogen transformations in two temperate forest mineral soils in the USA and central Europe. Forest Ecology and Management. 214: 320-330.