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Plant and Soil

, Volume 112, Issue 2, pp 255–259 | Cite as

Growth and development of maxipak wheat as affected by soil salinity and moisture levels

  • R. K. Abdul-Halim
  • H. M. Salih
  • A. A. Ahmed
  • A. M. Abdul-Rahem
Article

Abstract

The effect of soil salinity and soil moisture on the growth and yield of maxipak wheat (Triticum aestivum L.) was studied in a lath-house experiment in whih, chloride-sulphate salt mixtures were used to artificially salinize a sandy loam soil from Al-Jadyriah Baghdad. Five soil salinity levels of ECe's equal to 1.7 (Control) 4.2, 5.8, 8.1, 9.4 and 11.0dSm−1 were prepared and used at 3 levels of available soil moisture depletion, namely, 25, 50, and 75% as determined by weight. Both growth (vegetative) and yield components were studied throughout the growing season.

Results showed that increasing the soil salinity from 1.7 to 11.0 dSm−1, and decreasing the available soil water from 75 to 25% resulted in independent and significant decreases in Mazipak wheat growth and yield components at different stages of plant development. Root growth showed more sensitivity to both available soil water and soil salinity level than other components. It has been concluded that at soil salinity levels of more than 8.0 dSm−1, available soil water became a limiting factor on wheat growth and the maintenance of 75% of available soil water during the growth period is recommended to obtain satisfactory grain yield.

Key words

chloride plant growth sulphate soil moisture Triticum aestivum L. yield 

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Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • R. K. Abdul-Halim
    • 1
  • H. M. Salih
    • 1
  • A. A. Ahmed
    • 1
  • A. M. Abdul-Rahem
    • 1
  1. 1.Dept. of Soil and Land Reclamation, Centre for Agriculture and Water Resources ResearchScientific Research CouncilBaghdadIraq

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