ACTA AGRICULTURAE BOREALI-SINICA ›› 2005, Vol. 20 ›› Issue (5): 76-80. doi: 10.3321/j.issn:1000-7091.2005.05.019

Special Issue: Cotton Drought and water saving

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The Effects of Irrigation Quantity and Frequency of Drip Irrigation to Plastic-mulched Cotton at Critical Growing Stage

WANG Shu-fen1,2, PEI Dong1, JIA Jin-sheng3, WANG He-hui1, WANG Zhen-hua1,2, ZHANG Xi-ying1   

  1. 1. Shijiazhuang Agricultural Modernization Institute of CAS, Shijiazhuang 050021, China;
    2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China;
    3. Hebei Development and Reform Commission, Shijiazhuang 050000, China
  • Received:2005-04-16 Published:2005-10-28

Abstract: Based on the field experiment of cotton irrigation in 2004,the effects of irrigation quantity and frequency of drip irrigation to plastic-mulched cotton at critical growing stage was studied on growth,yield and water use efficiency(WUE).We hoped to find out the optimum irrigation mode which could increase the yield and improve WUE.The results of the experiment showed that the different irrigation modes had significant effect on the cotton yield and WUE.However,different irrigation modes had little effect on the stem height and leaf area at postbudding stage.Cotton which was irrigated two times at bolling stage,10.42mm each time,obtained the highest yield about 4929.0kg/ha and the highest WUE about 0.98kg/m3 respectively.

Key words: Cotton, Drip irrigation under plastic-mulched, Critical growing stage, WUE

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Cite this article

WANG Shu-fen, PEI Dong, JIA Jin-sheng, WANG He-hui, WANG Zhen-hua, ZHANG Xi-ying. The Effects of Irrigation Quantity and Frequency of Drip Irrigation to Plastic-mulched Cotton at Critical Growing Stage[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2005, 20(5): 76-80. doi: 10.3321/j.issn:1000-7091.2005.05.019.

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