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Information Journal Paper

Title

DETERMINATION OF DRIS NORMS FOR NINE NUTRIENTS IN PEACH LEAVES OF GOLESTAN PROVINCE

Pages

  249-259

Keywords

Abstract

 Plant analysis is a useful and practical tool in monitoring orchards nutritional status, recommending fertilizer rates and increasing fertilizer efficiency, provided that chemical analysis results are correctly interpreted. Diagnosis and recommendation integrated system (DRIS) is a comprehensive approach for interpretation of plant analysis results which does not have limitations of the critical value approach (CVA) and sufficiency range approach (SRA). The aim of this study is to establish DRIS NORMs to interpret the results of PEACH tree leaf analysis. Leaf samples were collected from 61 PEACH orchards throughout the province during July of 2009 and 2010 and analyzed for N, P, K, Ca, Mg, Fe, Mn, Zn, and Cu concentrations. On the yield basis of 30 Kg/tree, the PEACH orchards were divided into two groups of low (32 orchards) and high (29 orchards) yielding populations. An information databank with 7000 records including orchards yield and foliar NUTRIENTs concentration was developed.45 expression forms, based on the greatest variance ratio (SB/SA) and the foliar concentration of NUTRIENTs during growth stage, were presented as the best reference DRIS NORMs for PEACH trees, using the Microsoft ExcelÔ software. Average of NUTRIENTs concentration as a reference values for N, P, K, Ca and Mg and Fe, Mn, Cu and Zn were obtained 2.46, 0.24, 2.29, 2.03 and 0.56%, and 132.7, 32.5, 14.5 and 42.9 mg/kg, respectively. The Indices DRIS for the 9 NUTRIENTs were also calculated. The defined DRIS NORMs are applicable for the nutritional disorders diagnosis of PEACH trees.

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    APA: Copy

    EMAMI, P., DORDIPOUR, E., DARYASHENAS, A.M., & HEMMATI, KH.. (2014). DETERMINATION OF DRIS NORMS FOR NINE NUTRIENTS IN PEACH LEAVES OF GOLESTAN PROVINCE. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 4(1), 249-259. SID. https://sid.ir/paper/209825/en

    Vancouver: Copy

    EMAMI P., DORDIPOUR E., DARYASHENAS A.M., HEMMATI KH.. DETERMINATION OF DRIS NORMS FOR NINE NUTRIENTS IN PEACH LEAVES OF GOLESTAN PROVINCE. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2014;4(1):249-259. Available from: https://sid.ir/paper/209825/en

    IEEE: Copy

    P. EMAMI, E. DORDIPOUR, A.M. DARYASHENAS, and KH. HEMMATI, “DETERMINATION OF DRIS NORMS FOR NINE NUTRIENTS IN PEACH LEAVES OF GOLESTAN PROVINCE,” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 4, no. 1, pp. 249–259, 2014, [Online]. Available: https://sid.ir/paper/209825/en

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