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Information Journal Paper

Title

EFFECT OF VERMICOMPOST AND ZEOLITE APPLICATIONS ON POTASSIUM TRANSFORMATION IN CALCAREOUS SOILS OF FARS PROVINCE

Pages

  61-72

Abstract

 Although addition of amendment materials to soil is not for changing of soil K status, secondary effects of these materials can be important in K distribution among soluble, exchangeable and non-exchangeable forms. In this research, effect of addition of 2% ZEOLITE, 2% VERMICOMPOST and 1% ZEOLITE+ 1% VERMICOMPOST on 10 calcareous soils of Fars province belonging to five orders was investigated. The experiments were done as a randomized complete block with three replicates. Samples were incubated at 22±2oC and 50% of saturated moisture content for 90 days. Then different forms of K were determined in the samples. ZEOLITE application induced 279 mg kg-1 increase in exchangeable K and 24 mg kg-1 decrease in non-exchangeable K, but it had not a significant effect on soluble K. Although VERMICOMPOST application increased soluble and exchangeable K, its effect was more sensible for soluble K (139 mg kg-1). ZEOLITE+vermicompost application increased all forms of K. Increase in soluble K with VERMICOMPOST application may increase risk of K leaching; but ZEOLITE application can preserve K in exchangeable phase and inhibit K leaching and fixation.

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    APA: Copy

    NAJAFI GHIRI, M., & OWLIAIE, H.R.. (2014). EFFECT OF VERMICOMPOST AND ZEOLITE APPLICATIONS ON POTASSIUM TRANSFORMATION IN CALCAREOUS SOILS OF FARS PROVINCE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 18(69), 61-72. SID. https://sid.ir/paper/15061/en

    Vancouver: Copy

    NAJAFI GHIRI M., OWLIAIE H.R.. EFFECT OF VERMICOMPOST AND ZEOLITE APPLICATIONS ON POTASSIUM TRANSFORMATION IN CALCAREOUS SOILS OF FARS PROVINCE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2014;18(69):61-72. Available from: https://sid.ir/paper/15061/en

    IEEE: Copy

    M. NAJAFI GHIRI, and H.R. OWLIAIE, “EFFECT OF VERMICOMPOST AND ZEOLITE APPLICATIONS ON POTASSIUM TRANSFORMATION IN CALCAREOUS SOILS OF FARS PROVINCE,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 18, no. 69, pp. 61–72, 2014, [Online]. Available: https://sid.ir/paper/15061/en

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