Immobilization and mineralization of nitrogen compounds in paddy soils. 4. Effect of plant residues on the immobilization and mineralization of nitrogen compounds in paddy soil incubated under submerged or upland conditions
Journal of the Science of Soil and Manure 42(2): 97-102
The amount of soil organic N mineralized during incubation at 30 deg C was increased somewhat by application of NH4 and decreased by application of rice tops or roots; the latter effect was mollified when NH4 was also applied. The amount of N mineralized from rice tops and roots under upland conditions was about 1/3 of that mineralized under submerged conditions.