ZINC CALIBRATION IN THE FIELD AND ITS EFFECTS ON SOYBEAN YIELD

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ASADI KANGAR SHAHI A.; MALAKOUTI M.J.

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Journal: Iranian Journal of Soil Research Year:2003 | Volume:17 | Issue:2 Page(s): 115-122

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Information Journal Paper

Title

ZINC CALIBRATION IN THE FIELD AND ITS EFFECTS ON SOYBEAN YIELD

Author(s)

ASADI KANGAR SHAHI A. | MALAKOUTI M.J. | Issue Writer Certificate

Keywords

CALIBRATIONQ2

ZINCQ2

SOYBEANQ3

UPTAKEQ2

Abstract

This experiment was conducted to study the effect of Zn-fertilizer on the yield and quality of SOYBEAN seed, and to determine the critical level of Zn in the soils of eastern part of Mazandaran Province. The soils had a wide range of CaC03 (5-39%) and DTPA extractable Zn (0.60-3.5 mg/kg soil). In each farm, the experiment was a randomized complete block design with two Zn treatments (0 and 40 kg ZINC sulfate per hectare) and three replications. Twenty kg /ha urea as starter fertilizer was applied to all plots. Also, to the soils that had less than 15 mg P/kg (Olsen method) and less than 300 mg K/kg (Ammonium acetate IN pH7), 50 kg triple super phosphate/ha and 100 kg potassium sulfate/ha were added, respectively. The size of each experimental plot was 49 m2 and the planted variety of SOYBEAN was Perching. The aerial part of plants was harvested at the end of the growth period. Absolute yield and relative yields, Zn concentration and UPTAKE, 1000 seed weight, number of seeds per plant and seed protein percent were used as plant responses. Parameters. The critical levels of Zn were calculated by Cate-Nelson and Mitcherlich-Bray methods. Application of 40 kg ZnS04 increased seed yield, Zn concentration in seed and Zn UPTAKE by 18.7, 14.7 and 37 percent, respectively, and also 1000 seed weight, number of seeds per plant and seed protein percent were increased by 8, 5.7 and 3.5 percent, respectively. Based on the results, the critical levels of Zn in these soils were 1.25 and 1.30 mg/kg by Mitcherlich-Bray and Cate-Nelson methods, respectively. The results of the two methods were almost identical.

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APA: Copy

ASADI KANGAR SHAHI, A., & MALAKOUTI, M.J.. (2003). ZINC CALIBRATION IN THE FIELD AND ITS EFFECTS ON SOYBEAN YIELD. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, 17(2), 115-122. SID. https://sid.ir/paper/16062/en

Vancouver: Copy

ASADI KANGAR SHAHI A., MALAKOUTI M.J.. ZINC CALIBRATION IN THE FIELD AND ITS EFFECTS ON SOYBEAN YIELD. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES[Internet]. 2003;17(2):115-122. Available from: https://sid.ir/paper/16062/en

IEEE: Copy

A. ASADI KANGAR SHAHI, and M.J. MALAKOUTI, “ZINC CALIBRATION IN THE FIELD AND ITS EFFECTS ON SOYBEAN YIELD,” IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, vol. 17, no. 2, pp. 115–122, 2003, [Online]. Available: https://sid.ir/paper/16062/en

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