氮及氮素形态对烤烟叶片叶绿素光合荧光参数的影响
黄丹, 杨富文, 刘琳, 王月, 贺国强, 王洪瑞, 孙广玉, 敖红

Effects of Nitrogen and Nitrogen Forms on Photosynthetic Fluorescence Parameters of Chlorophyll in Flue-Cured Tobacco Leaves
Huang Dan, Yang Fuwen, Liu Lin, Wang Yue, He Guoqiang, Wang Hongrui, Sun Guangyu, Ao Hong
表1 不同处理硝态氮与铵态氮营养液主要成分比例及摩尔数
Table 1 Principal component ratio and number of moles of nitrate nitrogen and ammonium nitrogen nutrient solution under different treatments mmol/L
营养液主要成分
Nutrient solution
principal component
NO3--N∶NH4+-N
0∶0
(CK)
100∶0
(T1)
0∶100
(T2)
50∶50
(T3)
Ca(NO3)2 0.000 0.500 0.000 0.375
KNO3 0.000 0.500 0.000 0.000
(NH4)2SO4 0.000 0.000 0.750 0.375
K2SO4 0.250 0.000 0.250 0.250
CaSO4 1.000 0.000 1.000 0.125
MgSO4 1.000 1.000 1.000 1.000