Effect of Several Mineral Elements on Anatomical Structure of Leaf in Brassica chinesis L.
Han Xuemei, Wu Shubiao, Chen Huixuan, Wang Shengwu, Li Lijun
ACTA AGRICULTURAE BOREALI-SINICA . 1997, (1): 65 -71 .  DOI: 10.3321/j.issn:1000-7091.1997.01.014