紫花苜蓿和斜茎黄耆水力提升作用及其对伴生植物的效应

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朱林¹^,²^,^*(

), 王甜甜¹^,², 赵学琳¹^,², 祁亚淑³, 许兴¹^,²

Hydraulic lift of Medicago sativa and Astragalus laxmannii and its effect on their neighborhood plants

ZHU Lin¹^,²^,^*(

), WANG Tian-Tian¹^,², ZHAO Xue-Lin¹^,², QI Ya-Shu³, XU Xing¹^,²

图6. 不同水分处理、混播比例下各混播组合中碳同位素分辨率(?¹³C)的变化(平均值+标准偏差)。14个植物样品来自8个单混播组合。
AA、BB表示紫花苜蓿及斜茎黄耆单播, AC1、AC2、AC3与BC1、BC2、BC3分别表示比例为3:7、5:5、7:3的禾豆牧草混播组合。不同小写字母表示不同混播方式间的植物整株?¹³C值差异显著(p < 0.05)。

Fig. 6. Comparison of ?¹³C in each combination under different water treatments and mixed seeding rates (mean + SD). Fourteen plant samples from eight single or mixed sowing combinations, totally.
AA and BB represent single sowing of Medicago sativa and Astragalus laxmannii, respectively. AC1, AC2, AC3, BC1, BC2 and BC3 represent the mixed sowing combinations of Medicago sativa and Astragalus laxmannii with gramineous forage in lowercase proportions of 3:7, 5:5 and 7:3, respectively. Different lowercase letters represent differences in whole plant ?¹³C between different mixed sowing combinations at the level of 0.05.