Tobacco Science & Technology, 2012, 7, p. 81-85, ISSN.1002-0861
Effects of nitrogen application rates on tissue structure and cell development of flue-cured tobacco leaves
ZHI Lei(1); LUO Dingqi(2); XIONG Ying(1); ZHANG Yonghui(2); LEI Xiao(2); SHI Xiangdong(*1)
(1) National Tobacco Cultivation & Physiology & Biochemistry Research Center, Henan Agricultural University, Zhengzhou 450002, P.R. China; (2) Luzhou Tobacco Company of Sichuan Province, Luzhou 646000, Sichuan, P.R. China
The tissue structure and cell development of flue-cured tobacco leaves were studied in field at different levels of nitrogen fertilizer application with paraffin method and electron microscopic chemical method. The results showed that: 1) nitrogen...