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Information Journal Paper

Title

EFFECT OF SOIL SALINITY AND COMPACTION ON SOME PHYSIOLOGICAL CHARACTERISTICS OF CORN (ZEA MAYS L.)

Pages

  275-293

Abstract

 This research was performed to investigate the combined effect of SOIL SALINITY and SOIL COMPACTION on some PHYSIOLOGICAL CHARACTERISTICS of CORN. For this purpose a factorial pot experiment on the basis of completely randomized design with three replications was performed. The experimental factors were three levels of SOIL SALINITY (saturated paste extract electrical conductivity of 1.5, 2.5 and 4.5 dS/m) and three levels of SOIL COMPACTION (bulk density of 1.3, 1.55 and 1.75 g/cm3). For creating salinity, different amounts of NaCl was dissolved in the required volume of distilled water to increase the gravity soil water content to 16% and then added to soil. For creating SOIL COMPACTION a cylinder with 4.5 kg weight was allowed to fall freely to the soil surface in the pots from 45 cm elevation. SOIL SALINITY led to significant increase in stomatal resistance, proline concentration and Na concentration of CORN shoots and caused significant decrease in shoot dry matter. SOIL COMPACTION significantly decreased leaf water potential and aerial dry matter and increased stomatal resistance. At the applied range of SOIL SALINITY and compaction, SOIL SALINITY caused more adverse effects than the SOIL COMPACTION on PHYSIOLOGICAL CHARACTERISTICS of CORN. Despite the fact that the combined effect of SOIL SALINITY and compaction became statistically significant only on stomatal resistance and shoot dry matter, combination of SOIL SALINITY and compaction led to increase in proline and Na concentration and to decline leaf water potential, relative water content, K concentration and K/Na in CORN shoots. Combined effect of salinity and compaction led to more drastic effects than their individual effect on the stomatal resistance and shoot dry matter. Therefore, one of the approaches of SOIL SALINITY alleviation could be to avoid or reduce SOIL COMPACTION.

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    APA: Copy

    HASSANPOUR, R., NEYSHABOURI, M.R., & ZAREHAGGI, D.. (2015). EFFECT OF SOIL SALINITY AND COMPACTION ON SOME PHYSIOLOGICAL CHARACTERISTICS OF CORN (ZEA MAYS L.). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 4(4), 275-293. SID. https://sid.ir/paper/209887/en

    Vancouver: Copy

    HASSANPOUR R., NEYSHABOURI M.R., ZAREHAGGI D.. EFFECT OF SOIL SALINITY AND COMPACTION ON SOME PHYSIOLOGICAL CHARACTERISTICS OF CORN (ZEA MAYS L.). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2015;4(4):275-293. Available from: https://sid.ir/paper/209887/en

    IEEE: Copy

    R. HASSANPOUR, M.R. NEYSHABOURI, and D. ZAREHAGGI, “EFFECT OF SOIL SALINITY AND COMPACTION ON SOME PHYSIOLOGICAL CHARACTERISTICS OF CORN (ZEA MAYS L.),” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 4, no. 4, pp. 275–293, 2015, [Online]. Available: https://sid.ir/paper/209887/en

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