Salt distribution and the growth of cotton under different drip irrigation regimes in a saline area
文献类型:期刊论文
作者 | Wang Ruoshui(王若水) ; Kang Yaohu ; Wan Shuqin ; Hu Wei ; Liu Shiping ; Liu Shuhui |
刊名 | AGRICULTURAL WATER MANAGEMENT
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出版日期 | 2011 |
卷号 | 100期号:1页码:58-69 |
关键词 | Arid region Cotton Drip irrigation Salinity Salt tolerance Soil matric potential CARTHAMUS-TINCTORIUS L. SOIL-SALINITY WATER-USE YIELD DEPTH |
通讯作者 | Kang Yaohu |
英文摘要 | A 3-year experiment was conducted in an extremely dry and saline wasteland to investigate the effects of the drip irrigation on salt distributions and the growth of cotton under different irrigation regimes in Xinjiang, Northwest China. The experiment included five treatments in which the soil matric potential (SMP) at 20 cm depth was controlled at -5, -10, -15, -20, and -25 kPa after cotton was established. The results indicated that a favorable low salinity zone existed in the root zone throughout the growing season when the SMP threshold was controlled below -25 kPa. When the SMP value decreased, the electrical conductivity of the saturation paste extract (EC(e)) in the root zone after the growing season decreased as well. After the 3-year experiment, the seed-cotton yield had reached 84% of the average yield level for non-saline soil in the study region and the emergence rate was 78.1% when the SMP target value was controlled below -5 kPa. The average pH of the soil decreased slightly after 3 years of cultivation. The highest irrigation water use efficiency (IWUE) values were recorded when the SMP was around -20 kPa. After years of reclamation and utilization, the saline soil gradually changed to a moderately saline soil. The SMP of -5 kPa at a depth of 20 cm immediately under a drip emitter can be used as an indicator for cotton drip irrigation scheduling in saline areas in Xinjiang, Northwest China. |
收录类别 | SCI |
资助信息 | Chinese Academy of Sciences KZCX2-XB2-13 KSCX2-YW-N-080;National Science Foundation for Young Scientists of China 51009126;Project for 100 Outstanding Young Scientists |
公开日期 | 2011-12-14 |
源URL | [http://ir.igsnrr.ac.cn/handle/311030/8437] ![]() |
专题 | 地理科学与资源研究所_研究生部 |
推荐引用方式 GB/T 7714 | Wang Ruoshui,Kang Yaohu,Wan Shuqin,et al. Salt distribution and the growth of cotton under different drip irrigation regimes in a saline area[J]. AGRICULTURAL WATER MANAGEMENT,2011,100(1):58-69. |
APA | Wang Ruoshui,Kang Yaohu,Wan Shuqin,Hu Wei,Liu Shiping,&Liu Shuhui.(2011).Salt distribution and the growth of cotton under different drip irrigation regimes in a saline area.AGRICULTURAL WATER MANAGEMENT,100(1),58-69. |
MLA | Wang Ruoshui,et al."Salt distribution and the growth of cotton under different drip irrigation regimes in a saline area".AGRICULTURAL WATER MANAGEMENT 100.1(2011):58-69. |
入库方式: OAI收割
来源:地理科学与资源研究所
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