Journal of Integrative Agriculture ›› 2012, Vol. 12 ›› Issue (3): 502-511.DOI: 10.1016/S1671-2927(00)8569

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Effects of Irrigation Water Quality and Drip Tape Arrangement on Soil Salinity, Soil Moisture Distribution, and Cotton Yield (Gossypium hirsutum L.) Under Mulched Drip Irrigation in Xinjiang, China

 LIU Mei-xian, LI Xiao-ming, YU Mei, WANG Jin   

  1. 1.Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, P.R.China
    2.Water Conservancy Bureau of Yuhuatai, Nanjing 210012, P.R.China
    3.Wulanwusu Agro-Meteorological Experiment Station, Shihezi 832021, P.R.China
  • 收稿日期:2011-01-20 出版日期:2012-03-01 发布日期:2012-03-11
  • 通讯作者: Correspondence YANG Jing-song, Tel: +86-25-86881222, Fax: +86-25-86881000, E-mail: jsyang@issas.ac.cn
  • 作者简介:LIU Mei-xian, E-mail: mxliu@issas.ac.cn
  • 基金资助:

    This work was financially supported by the National Natural Science Foundation of China (40771097) and the Special Fund of Industrial (Agriculture) Research for Public Welfare of China (200903001).

Effects of Irrigation Water Quality and Drip Tape Arrangement on Soil Salinity, Soil Moisture Distribution, and Cotton Yield (Gossypium hirsutum L.) Under Mulched Drip Irrigation in Xinjiang, China

 LIU Mei-xian, LI Xiao-ming, YU Mei, WANG Jin   

  1. 1.Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, P.R.China
    2.Water Conservancy Bureau of Yuhuatai, Nanjing 210012, P.R.China
    3.Wulanwusu Agro-Meteorological Experiment Station, Shihezi 832021, P.R.China
  • Received:2011-01-20 Online:2012-03-01 Published:2012-03-11
  • Contact: Correspondence YANG Jing-song, Tel: +86-25-86881222, Fax: +86-25-86881000, E-mail: jsyang@issas.ac.cn
  • About author:LIU Mei-xian, E-mail: mxliu@issas.ac.cn
  • Supported by:

    This work was financially supported by the National Natural Science Foundation of China (40771097) and the Special Fund of Industrial (Agriculture) Research for Public Welfare of China (200903001).

摘要: More and more attention is being focused on saline water utilization in irrigation due to the shortage of fresh water to agriculture in many regions. For purpose of reducing the risks of using of saline water for irrigation, the mechanism of soil moisture and salinity distribution and transport should be well understood for developing optimum management strategies. In this paper, field experiments were carried out at Junggar Basin, China, to study the effects of drip irrigation water quality and drip tape arrangement on distribution of soil salinity and soil moisture. Six treatments were designed, including two drip tape arrangement modes and three irrigation water concentration levels (0.24, 4.68, and 7.42 dS m-1). Results showed that, soil moisture content (SMC) directly beneath the drip tape in all treatments kept a relatively high value about 18% before boll opening stage; the SMC in the narrow strip in single tape arrangement (Ms) plot was obviously lower than that in the double tapes arrangement (Md) plot, indicating that less sufficient water was supplied under the same condition of irrigation depth, but there was no significant reduction in yield. Mulching had not significant influence on salt accumulation but the drip tape arrangement, under the same condition of irrigation water depth and quality, compared with Md, Ms reduced salt accumulation in root zone and brought about relatively high cotton yield.

关键词: cotton, drip tape arrangement, mulched drip irrigation, water quality

Abstract: More and more attention is being focused on saline water utilization in irrigation due to the shortage of fresh water to agriculture in many regions. For purpose of reducing the risks of using of saline water for irrigation, the mechanism of soil moisture and salinity distribution and transport should be well understood for developing optimum management strategies. In this paper, field experiments were carried out at Junggar Basin, China, to study the effects of drip irrigation water quality and drip tape arrangement on distribution of soil salinity and soil moisture. Six treatments were designed, including two drip tape arrangement modes and three irrigation water concentration levels (0.24, 4.68, and 7.42 dS m-1). Results showed that, soil moisture content (SMC) directly beneath the drip tape in all treatments kept a relatively high value about 18% before boll opening stage; the SMC in the narrow strip in single tape arrangement (Ms) plot was obviously lower than that in the double tapes arrangement (Md) plot, indicating that less sufficient water was supplied under the same condition of irrigation depth, but there was no significant reduction in yield. Mulching had not significant influence on salt accumulation but the drip tape arrangement, under the same condition of irrigation water depth and quality, compared with Md, Ms reduced salt accumulation in root zone and brought about relatively high cotton yield.

Key words: cotton, drip tape arrangement, mulched drip irrigation, water quality