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Effects of row spacing on soil water and water consumption of winter wheat under irrigated and rainfed conditions

Author

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  • X.B. Zhou

    (State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, P.R. China
    Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, P.R. China)

  • Y.H. Chen

    (State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, P.R. China)

  • Z. Ouyang

    (Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, P.R. China)

Abstract

The results of two seasons' work on soil water content (SWC), evapotranspiration (ET), total dry matter (TDM), and harvest index (HI) of crops under different row spacing (RS), as well as possible ways to improve water utilization, have been reported. Field experiments were carried out at the Experimental Farm of Shandong Agricultural University (36°09'N, 117°09'E) in 2006-2007 and 2007-2008. Four types of RS were treated under two different water conditions (rainfed and irrigated) and set up in a randomized plot design. RS did not exhibit any obvious effects on SWC during the study period. SWC was enhanced evidently by irrigation, especially in the 10-60 cm soil layer. Irrigation increased the ET of crop. At the seeding-jointing stage, the ET of RS14 was significantly higher than those during other treatments (P < 0.05). Irrigation increased yields, ET, and TDM, while it decreased water use efficiency and HI. There were significantly negative correlations between TDM and RS (P < 0.05). The HI of the rainfed crop was higher than that of the irrigated crop. Results showed that high yields of wheat could be achieved in northern China by reducing RS under uniform planting density conditions.

Suggested Citation

  • X.B. Zhou & Y.H. Chen & Z. Ouyang, 2011. "Effects of row spacing on soil water and water consumption of winter wheat under irrigated and rainfed conditions," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 57(3), pages 115-121.
    • Handle: RePEc:caa:jnlpse:v:57:y:2011:i:3:id:130-2010-pse
    DOI: 10.17221/130/2010-PSE
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    References listed on IDEAS

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    1. V. Brant & K. Neckář & J. Pivec & M. Duchoslav & J. Holec & P. Fuksa & V. Venclová, 2009. "Competition of some summer catch crops and volunteer cereals in the areas with limited precipitation," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 55(1), pages 17-24.
    2. Lehrsch, G. A. & Whisler, F. D. & Buehring, N. W., 1994. "Cropping system influences on extractable water for mono- and double-cropped soybean," Agricultural Water Management, Elsevier, vol. 26(1-2), pages 13-25, September.
    3. X.B. Zhou & G.M. Yang & S.J. Sun & Y.H. Chen, 2010. "Plant and row spacing effects on soil water and yield of rainfed summer soybean in the northern China," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 56(1), pages 1-7.
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    Cited by:

    1. J.Y. Shen & D.D. Zhao & H.F. Han & X.B. Zhou & Q.Q. Li, 2012. "Effects of straw mulching on water consumption characteristics and yield of different types of summer maize plants," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 58(4), pages 161-166.
    2. Yueping LIANG & Yang GAO & Guangshuai WANG & Zhuanyun SI & Xiaojun SHEN & Aiwang DUAN, 2018. "Luxury transpiration of winter wheat and its responses to deficit irrigation in North China Plain," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(8), pages 361-366.

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