3Burns,R.G,1978:Soil Enzymes.Academic prese,London New York San Francisco.149-187.
4B.Manunza,S.Deiana,M.Pinore,C.Gessa The binding mechanism of urea,hydroxamic acid and N=(N-butyl)-phosphoric tramide to the urease active site.A comparative molecular dynamic study Soil Biology and Biochemistry 1999,31:789-796.
10S.Phongpan,J.R.Frenney,D.G.Keerthisinghe,use of PPD and NBPT to reduce ammonia loss and increase grain yield following application of urea to flooded rice,Fertilizer research 1995 41:59-66.
3Zhao X Y,Soil Biology Biochemistry,1993年,25卷,1期,147页
4Wang Z P,Biol Fert Soils,1991年,11卷,101页
5Shen S M,Soil Biology Biochemistry,1984年,16卷,437页
6G. W. McCarty,J. M. Bremner. Formation of phosphoryl triamide by decomposition of thiophosphoryl triamide in soil[J] 1989,Biology and Fertility of Soils(4):290~292
7J. M. Bremner,H. S. Chai. Effects of phosphoroamides on ammonia volatilization and nitrite accumulation in soils treated with urea[J] 1989,Biology and Fertility of Soils(3):227~230