Supported by the National Basic Research Program (973 program) of China (No. 2007CB109304);the Special Fund for Agroscientific Research in the Public Interest of China (No. 200803031)
The activities of invertase, protease, urease, acid phosphomonoesterase, dehydrogenase, and catalase in different fractions of waterstable aggregates (WSA) were examined in long-term (26 years) fertilised soils. The l...