Hwabongbyeo, Zhongzuo9059, Upland rice 9, Upland rice 502 and IRAT359 with higher tolerance to low N-fertilized level, which were nonsensitive to nitrogen.

• 花峰稻、中作9059、旱稻9号、旱稻502和IRAT359等种质资源表现较迟钝的氮素反应，具有较强的耐低氮能力。