EFFECTS OF POTASSIUM AND MICRONUTRIENTS ON THE YIELD AND FRUIT QUALITY OF ORANGE TREES IN NORTH KHUZESTAN

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KIANI SH.; MALAKOUTI M.J.; SHAHABIAN M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Soil Research Year:2006 | Volume:20 | Issue:2 Page(s): 204-212

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Title

EFFECTS OF POTASSIUM AND MICRONUTRIENTS ON THE YIELD AND FRUIT QUALITY OF ORANGE TREES IN NORTH KHUZESTAN

Author(s)

KIANI SH. | MALAKOUTI M.J. | SHAHABIAN M. | Issue Writer Certificate

Keywords

POTASSIUMQ2

MICRONUTRIENTSQ2

ORANGE TREESQ3

NORTH KHUZESTANQ3

Abstract

This experiment was conducted in order to determine the effects of POTASSIUM and MICRONUTRIENTS on the yield and fruit quality of 8-year old ORANGE TREES cv. "Marrs" during 2001-2003, at Safi Abad agricultural research center (north Khuzestan) in Dezful, Iran. During first year, nine treatments were arranged in a randomized block design with three replications (each plot including one tree). Treatments were: T1: control, 1000 gr/tree ammonium sulfate as broadcasting application; T2: 1000 gr/tree ammonium sulfate as broadcasting application + 50 kg/tree organic matter and 250 gr/tree sulfur powder as localized placement; T3: T2 + 415 gr/tree POTASSIUM chloride; T4: T2 + 500 gr/tree POTASSIUM sulfate; T5: T2 + 830 gr/tree POTASSIUM chloride; T6: T2+ 1000 gr/tree POTASSIUM sulfate; T7: T3 + MICRONUTRIENTS consisting of zinc sulfate (120 gr/tree), iron sulfate (200 gr/tree) and manganese sulfate(200 gr/tree); Tg: T4 + MICRONUTRIENTS (like T7); T9: T2 + 250 gr/tree POTASSIUM sulfate before start of the growth season + 207.5 gr/tree POTASSIUM chloride in the middle of growth season + MICRONUTRIENTS (like T7). Druing the second year, based on results of first year, nitrogen fertilizers were applied in all treatments. Also foliar application of Zn-EDTA (0.3%) was tried in T7, T8 and T9 treatments. The results of combined variance analysis revealed that yield of T7 and Tg treatments with 37.7 and 34.7 kg/tree increased significantly at 5% level as compared to control (25.2 kg/tree). Other treatments did not show any significant difference with control (T1). During the second year, foliar application of Zn-EDTA increased leaf zinc concentration significantly in T7, Tg and T9 in comparison with other treatments, but did not affect the yield or fruit quality indices. Other leaf mineral concentrations and fruit quality indices were not affected by the treatments.

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APA: Copy

KIANI, SH., MALAKOUTI, M.J., & SHAHABIAN, M.. (2006). EFFECTS OF POTASSIUM AND MICRONUTRIENTS ON THE YIELD AND FRUIT QUALITY OF ORANGE TREES IN NORTH KHUZESTAN. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, 20(2), 204-212. SID. https://sid.ir/paper/16072/en

Vancouver: Copy

KIANI SH., MALAKOUTI M.J., SHAHABIAN M.. EFFECTS OF POTASSIUM AND MICRONUTRIENTS ON THE YIELD AND FRUIT QUALITY OF ORANGE TREES IN NORTH KHUZESTAN. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES[Internet]. 2006;20(2):204-212. Available from: https://sid.ir/paper/16072/en

IEEE: Copy

SH. KIANI, M.J. MALAKOUTI, and M. SHAHABIAN, “EFFECTS OF POTASSIUM AND MICRONUTRIENTS ON THE YIELD AND FRUIT QUALITY OF ORANGE TREES IN NORTH KHUZESTAN,” IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, vol. 20, no. 2, pp. 204–212, 2006, [Online]. Available: https://sid.ir/paper/16072/en

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