8Dobermann AC,Witt C,Dawe D,et al.Sitc-specific nutrient management for intensive rice cropping systems in Asia[J].Field Crops Research,2002,74:37-66.
9Peng S,Buresh R J.Huang J L,et al.Strategies for overcoming low agronomic nitrogen use efficiency in irrigated rice systems in China[J].Field Crops Research,2006,96:37-47.
7Peng S B, Cassman K G, Virmani S S, et al. Yield potential trends of tropical rice since the release of IR8 and the challenge of increasing rice yield potential [J]. Crop Sciences, 1999,39(6) :1552-1559.
8Zhang Y B, Tang Q Y, Zou Y B, et al. Yield poten- tial and radiation use efficiency of "super" hybrid rice grown under subtropical conditions[J]. Field Crops Res, 2009,114 : 91-98.
9YingJ F, Peng SB, He Q R, et al. Comparison of high-yield in tropical and subtropical environments I Determinants of grain and dry matter yields[J]. Field Crops Research,1998,57(1) :71-84.
10SINGH U, I.AGHA J K, CASTII.I.() E G, et al. Genotypic variation in nitrogen use efficiency in medium and long duration rice. Field Crops Research, 1998,58:35 53.