Wu F B, Xu F H, Jin Z Q.A preliminary study on nitrogen nutrition diagnosis for short-season cotton with a chlorophyII meter [J].Acta Agronomica Sinica, 1999, 25(40): 485 - 488.

• [9]邬飞波；许馥华；金珠群.；利用叶绿素仪对短季棉氮素营养诊断的初步研究[J]