EFFECTS OF SALINITY AND NITROGEN RATES ON OSMOTIC ADJUSTMENT AND ACCUMULATION OF MINERAL NUTRIENTS IN WHEAT

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HEYDARI M.; NADIAN H.; BAKHSHANDEH A.; AALAMI SAEID KH.; FATHI GH.

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Journal: Journal of Water and Soil Science Year:2007 | Volume:11 | Issue:40 (A) Page(s): 193-210

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Title

EFFECTS OF SALINITY AND NITROGEN RATES ON OSMOTIC ADJUSTMENT AND ACCUMULATION OF MINERAL NUTRIENTS IN WHEAT

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Keywords

SALINITYQ2

NITROGENQ2

MINERAL NUTRIENTSQ2

OSMOTIC ADJUSTMENTQ3

WHEATQ3

Abstract

The influence of NITROGEN (N) rates on mineral nutrient uptake in stem and seeds, proline and carbohydrate in flag leaves of WHEAT (Triticum aestivum L. Var Chamran) under saline conditions was studied in a field experiment in 2003 and 2004. The experiment was conducted using a split plot design with three replications. The treatments comprised five levels of SALINITY: 1.5, 5, 10, 15 and 20 ds/m in main plot and three NITROGEN levels: 50, 100 and 150 kg N/ha in sub plot. SALINITY treatments were applied in a clay–loam soil by water with NaCl and CaCl2 (5:1 by wt). The results showed, the nutrient uptake was influenced by both SALINITY and N treatments. With the Exception of magnesium in seed, SALINITY increased NITROGEN, calcium and magnesium concentrations in seed and stem in both years. By increasing SALINITY levels, the concentration of potassium in stem and seed decreased and Sodium concentration increased. In the stem the concentration of Sodium in the 20 ds/m was about 17 and 22 times more in the first and second year, respectively. In these experiments, by increasing SALINITY and NITROGEN treatments, proline concentration in flag leaves increased in the two stages (flowering and milky stages) in both years. SALINITY had similar effect on carbohydrate accumulation in both stages, but NITROGEN treatment had two different effects on carohydrate concentration. In flowering stage, by increasing NITROGEN application, carohydrate concentration increased but in milky stage decreased.

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APA: Copy

HEYDARI, M., NADIAN, H., BAKHSHANDEH, A., AALAMI SAEID, KH., & FATHI, GH.. (2007). EFFECTS OF SALINITY AND NITROGEN RATES ON OSMOTIC ADJUSTMENT AND ACCUMULATION OF MINERAL NUTRIENTS IN WHEAT. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 11(40 (A)), 193-210. SID. https://sid.ir/paper/14660/en

Vancouver: Copy

HEYDARI M., NADIAN H., BAKHSHANDEH A., AALAMI SAEID KH., FATHI GH.. EFFECTS OF SALINITY AND NITROGEN RATES ON OSMOTIC ADJUSTMENT AND ACCUMULATION OF MINERAL NUTRIENTS IN WHEAT. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2007;11(40 (A)):193-210. Available from: https://sid.ir/paper/14660/en

IEEE: Copy

M. HEYDARI, H. NADIAN, A. BAKHSHANDEH, KH. AALAMI SAEID, and GH. FATHI, “EFFECTS OF SALINITY AND NITROGEN RATES ON OSMOTIC ADJUSTMENT AND ACCUMULATION OF MINERAL NUTRIENTS IN WHEAT,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 11, no. 40 (A), pp. 193–210, 2007, [Online]. Available: https://sid.ir/paper/14660/en

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