It was studied that difference of foliage N contents between cold type wheat(CTW) and warm type wheat(WTW) by perennial micro-field trials.

• 通过多年田间小区试验,研究了不施肥、单施磷肥、单施氮肥和氮磷配施等四种施肥条件下,灌浆结实期冷型小麦和暖型小麦叶片氮含量的差异。