水分和养分添加对羊草功能性状和地上生物量的影响
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赵丹丹,马红媛,李阳,魏继平,王志春
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Effects of water and nutrient additions on functional traits and aboveground biomass of Leymus chinensis
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ZHAO Dan-Dan,MA Hong-Yuan,LI Yang,WEI Ji-Ping,WANG Zhi-Chun
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表1 水处理、施肥处理及其交互作用对羊草功能性状影响的双因素方差分析
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Table 1 Results of two-way ANOVAs for the effects of water treatments, fertilization treatment and their interactions on functional traits of Leymus chinensis
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| 因素 Factor | d.f. | H | T | SB | LB | F | p | F | p | F | p | F | p | 生长特性 Growth feature | 水分 Water (W) | 2 | 27.819 | <0.001 | 18.582 | <0.001 | 23.314 | <0.001 | 25.679 | <0.001 | 施肥 Fertilization (F) | 3 | 2.307 | ns | 3.436 | <0.05 | 3.600 | <0.05 | 2.533 | ns | 水肥交互 W × F | 6 | 1.796 | ns | 2.925 | <0.05 | 5.637 | <0.01 | 2.372 | ns | | | | LA | LM | SLA | | | | | F | p | F | p | F | p | | | 形态性状 Morphological trait | 水分 W | 2 | 10.384 | <0.01 | 6.842 | <0.01 | 0.846 | ns | | | 施肥 F | 3 | 1.416 | ns | 1.422 | ns | 2.991 | ns | | | 水肥交互 W × F | 6 | 0.610 | ns | 1.424 | ns | 1.528 | ns | | | | | | Pn | Tr | WUE | | | | | F | p | F | p | F | p | | | 生理性状 Physiological trait | 水分 W | 2 | 115.990 | <0.001 | 86.229 | <0.001 | 105.150 | <0.001 | | | 施肥 F | 3 | 6.948 | <0.001 | 5.325 | <0.01 | 3.972 | <0.05 | | | 水肥交互 W × F | 6 | 1.750 | ns | 5.608 | <0.001 | 4.828 | <0.001 | | |
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