Chin J Plant Ecol ›› 2012, Vol. 36 ›› Issue (10): 1024-1032.DOI: 10.3724/SP.J.1258.2012.01024
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MA Xiao-Dong1,*(), ZHU Cheng-Gang2, LI Wei-Hong2
Received:
2011-12-23
Accepted:
2012-07-03
Online:
2012-12-23
Published:
2012-09-26
Contact:
MA Xiao-Dong
MA Xiao-Dong, ZHU Cheng-Gang, LI Wei-Hong. Response of root morphology and biomass of Tamarix ramosissima seedlings to different water irrigations[J]. Chin J Plant Ecol, 2012, 36(10): 1024-1032.
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URL: https://www.plant-ecology.com/EN/10.3724/SP.J.1258.2012.01024
灌溉方式 Irrigation method | 灌溉水平 Watering level | 灌溉量 Irrigation amount (L?plant-1) | 灌溉深度 Irrigation depth (cm) | |||
---|---|---|---|---|---|---|
4月30日 30 April | 6月1日 1 June | 7月10日 10 July | 9月1日 1 September | |||
侧渗分层灌溉 Layered-side irrigation | 高灌 High water level | 50 | 30 | 50 | 70 | 90 |
中灌 Medium water level | 25 | 30 | 50 | 70 | 90 | |
低灌 Low water level | 12.5 | 30 | 50 | 70 | 90 | |
地表灌溉 Above-ground irrigation | 高灌 High water level | 50 | - | - | - | - |
中灌 Medium water level | 25 | - | - | - | - | |
低灌 Low water level | 12.5 | - | - | - | - |
Table 1 Irrigation depth and amount of Tamarix ramosissima seedlings in different treatments and irrigation schedules
灌溉方式 Irrigation method | 灌溉水平 Watering level | 灌溉量 Irrigation amount (L?plant-1) | 灌溉深度 Irrigation depth (cm) | |||
---|---|---|---|---|---|---|
4月30日 30 April | 6月1日 1 June | 7月10日 10 July | 9月1日 1 September | |||
侧渗分层灌溉 Layered-side irrigation | 高灌 High water level | 50 | 30 | 50 | 70 | 90 |
中灌 Medium water level | 25 | 30 | 50 | 70 | 90 | |
低灌 Low water level | 12.5 | 30 | 50 | 70 | 90 | |
地表灌溉 Above-ground irrigation | 高灌 High water level | 50 | - | - | - | - |
中灌 Medium water level | 25 | - | - | - | - | |
低灌 Low water level | 12.5 | - | - | - | - |
Fig. 1 Vertical distributions of finest root (d < 0.5 mm) and fine root (0.5 mm < d < 2 mm) length of Tamarix ramosissima seedlings in different soil layers under different irrigation treatments in the end of growth season (mean ± SD). A, B, layered-side irrigation. C, D, Above-ground irrigation.
Fig. 2 Vertical distribution of soil water content under different irrigation treatments (mean ± SD). A, layered-side irrigation. B, Above-ground irrigation.
Fig. 3 Regression analysis between soil water content and finest root and fine root length of Tamarix ramosissima seedlings in the end of growth season.
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