氮添加和铵硝态氮配比对杉木幼苗光合特性及叶绿素荧光参数的影响
Effects of nitrogen addition level and NH4+-N to NO3--N ratio on photosynthetic characteristics and chlorophyll fluorescence parameters in Cunninghamia lanceolata seedling
氮添加和铵硝态氮配比对杉木幼苗光合特性及叶绿素荧光参数的影响 |
| 全小强, 王燕茹, 李小玉, 梁海燕, 王立冬, 闫小莉 |
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Effects of nitrogen addition level and NH4+-N to NO3--N ratio on photosynthetic characteristics and chlorophyll fluorescence parameters in Cunninghamia lanceolata seedling |
| QUAN Xiao-Qiang, WANG Yan-Ru, LI Xiao-Yu, LIANG Hai-Yan, WANG Li-Dong, YAN Xiao-Li |
| 图3 不同氮添加水平和铵硝态氮配比下杉木叶绿素荧光动力学曲线。N1-N3, 氮添加水平分别为: 0.5、1.0、2.0 mmol·L-1; P1-P7, NH4+-N和NO3--N的配比分别为: 10:0、8:2、6:4、5:5、4:6、2:8、0:10。Vt, 相对可变荧光; ΔVt, 相对可变荧光的差异。 |
| Fig. 3 Chlorophyll fluorescence kinetic curves of Cunninghamia lanceolata under different nitrogen addition levels and NH4+-N/NO3--N ratios. N1-N3, nitrogen addition level: 0.5, 1.0, 2.0 mmol·L-1; P1-P7, NH4+-N to NO3--N ratio: 10:0, 8:2, 6:4, 5:5, 4:6, 2:8, 0:10. Vt, relatively variable fluorescence; ΔVt, differences in relative variable fluorescence. |
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