6Praveen-Kumar,R. Brumme. Alkylated ureas: mineralization and evaluation as N sources[J] 1995,Fertilizer Research(2):117～124
7S. Phongpan,J. R. Freney,D. G. Keerthisinghe,P. Chaiwanakupt. Use of phenylphosphorodiamidate and N-(n-butyl)thiophosphorictriamide to reduce ammonia loss and increase grain yield following application of urea to flooded rice[J] 1995,Fertilizer Research(1):59～66
8Sadao Shoji,Hitoshi Kanno. Use of polyolefin-coated fertilizers for increasing fertilizer efficiency and reducing nitrate leaching and nitrous oxide emissions[J] 1994,Fertilizer Research(2):147～152
9R. J. Radel,A. A. Randle,Y. K. Kim. Soil urease inhibition by thermal polymers of thioposphoryl triamide and phosphoryl triamide[J] 1994,Fertilizer Research(2):153～160
10R. L. Mikkelsen,H. M. Williams,A. D. Behel. Nitrogen leaching and plant uptake from controlled-release fertilizers[J] 1994,Fertilizer Research(1):43～50
