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Evaluation of extractability of different extractants for zinc and copper in soils under long-term fertilization

Author

Listed:
  • A.K. Pradhan

    (Department of Soil Science and Agricultural Chemistry, Bihar Agricultural University, Sabour, Bhagalpur, India)

  • K.S. Beura

    (Department of Soil Science and Agricultural Chemistry, Bihar Agricultural University, Sabour, Bhagalpur, India)

  • R. Das

    (Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India)

  • D. Padhan

    (Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India)

  • G.C. Hazra

    (Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India)

  • B. Mandal

    (Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India)

  • N. De

    (Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, India)

  • V.N. Mishra

    (Indira Gandhi Agricultural University, Raipur, Chhattisgarh, India)

  • K.B. Polara

    (Junagadh Agricultural University, Junagadh, Gujarat, India)

  • S. Sharma

    (Anand Agricultural University, Anand, Gujarat, India)

Abstract

We aimed to evaluate the extractability of different extractants for zinc (Zn) and copper (Cu) in soils of long-term field experiments covering different agro-ecological zones of India. The relationships between the amounts of Zn and Cu extracted by Mehlich 3, 0.1 mol/L HCl and AB-DTPA (ammonium bicarbonate-diethylenetriaminepentaacetic acid) with those extracted by DTPA, the conventional extraction method widely used in soil testing laboratories in India, were elucidated. The treatments of the long-term experiments included control (no fertilizer), 100% NPK, 50%NPK + 50% N through FYM (farm yard manure) and a fallow soil. Some important physico-chemical properties of soil like pH, organic carbon, textural class, CaCO3 content, etc. were analyzed. The NPK + FYM treatment was found to be the most effective treatment in terms of increased content of Zn and Cu in soils. The results showed that the amount of Zn and Cu extracted by Mehlich 3 were significantly correlated with that extracted by 0.1 mol/L HCl (r = 0.970** for Zn and r = 0.914** for Cu). Accordingly, Mehlich 3 and 0.1 mol/L HCl could be used effectively for estimating Zn and Cu availability in soils of India. However, Mehlich 3 was superior to all the other extractants used for the study.

Suggested Citation

  • A.K. Pradhan & K.S. Beura & R. Das & D. Padhan & G.C. Hazra & B. Mandal & N. De & V.N. Mishra & K.B. Polara & S. Sharma, 2015. "Evaluation of extractability of different extractants for zinc and copper in soils under long-term fertilization," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 61(5), pages 227-233.
    • Handle: RePEc:caa:jnlpse:v:61:y:2015:i:5:id:971-2014-pse
    DOI: 10.17221/971/2014-PSE
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    Cited by:

    1. Stanislav Malý & Jiří Zbíral & Eva Čižmárová, 2021. "Is Mehlich 3 soil extraction a suitable screening method for determination of some risk elements?," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 67(9), pages 499-506.
    2. Viktoria Vona & Endre Andor Tóth & Csaba Centeri & Zsolt Giczi & Zsolt Biró & Gergely Jakab & Gabor Milics & Istvan Mihaly Kulmány & Renato Kalocsai & Attila Jozsef Kovács, 2021. "The effect of soil physicochemical characteristics on zinc analysis methods," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 16(3), pages 180-190.
    3. Chunping ZHANG & Decao NIU & Yuntao REN & Hua FU, 2018. "Extractability of nutrients using Mehlich 3 and ammonium bicarbonate-DTPA methods for selected grassland soils of China," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(9), pages 448-454.

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