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Effect of K and Zn Application on Biometric and Physiological Parameters of Different Maize Genotypes

Author

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  • Hafiz Muhammad Ali Raza

    (Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan)

  • Muhammad Amjad Bashir

    (Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan
    College of Agriculture Bahadur Sub-Campus Layyah, Bahauddin Zakariya University, Multan 60800, Pakistan)

  • Abdur Rehim

    (Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan
    College of Agriculture Bahadur Sub-Campus Layyah, Bahauddin Zakariya University, Multan 60800, Pakistan)

  • Qurat-Ul-Ain Raza

    (Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan)

  • Kashif Ali Khan

    (College of Agriculture Bahadur Sub-Campus Layyah, Bahauddin Zakariya University, Multan 60800, Pakistan)

  • Muhammad Aon

    (Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan)

  • Muhammad Ijaz

    (College of Agriculture Bahadur Sub-Campus Layyah, Bahauddin Zakariya University, Multan 60800, Pakistan)

  • Shafeeq Ur Rahman

    (Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences, Xinxiang 453003, China)

  • Fiaz Ahmad

    (Department of Agricultural Engineering, Bahauddin Zakariya University, Multan 60800, Pakistan)

  • Yucong Geng

    (Key Laboratory of Nonpoint Source Pollution Control, Ministry of Agriculture, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

Abstract

Potassium (K) and zinc (Zn) are mineral nutrients required for adequate plant growth, enzyme activation, water retention and photosynthetic activities. However, Pakistani soils are alkaline and have serious problems regarding Zn deficiency. The current study aims at finding the nutrient–nutrient interaction of K and Zn to affect maize plants’ (i) physiological processes and (ii) productivity. For this purpose, a pot experiment was conducted at the research area of the Department of Soil Science, Faculty of Agricultural Science and Technology, Bahauddin Zakariya University, Multan. Two maize genotypes, DK-6142 (hybrid) and Neelam (non-hybrid), were used with three K fertilizer doses, i.e., 0, 60 and 100 kg ha −1 in all possible combinations with three Zn fertilizer doses, i.e., 0, 16 and 24 kg ha −1 . The treatments were replicated under a completely randomized block design. The results elucidated that the combined application of K and Zn with K60 + Zn16 treatment significantly increased agronomic, productive, and physiological attributes. It has improved fresh biomass (89%), dry biomass (94%), membrane stability index (142%), relative water content (200%) and chlorophyll contents (191%) as compared to the control. Moreover, the mineral uptake of K and Zn was significantly improved with their maximum fertilization rate in hybrid genotype compared to non-hybrid and CK.

Suggested Citation

  • Hafiz Muhammad Ali Raza & Muhammad Amjad Bashir & Abdur Rehim & Qurat-Ul-Ain Raza & Kashif Ali Khan & Muhammad Aon & Muhammad Ijaz & Shafeeq Ur Rahman & Fiaz Ahmad & Yucong Geng, 2021. "Effect of K and Zn Application on Biometric and Physiological Parameters of Different Maize Genotypes," Sustainability, MDPI, vol. 13(23), pages 1-17, December.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:23:p:13440-:d:695222
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    References listed on IDEAS

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    1. Mohd Zain, Nurul Amalina & Ismail, Mohd Razi, 2016. "Effects of potassium rates and types on growth, leaf gas exchange and biochemical changes in rice (Oryza sativa) planted under cyclic water stress," Agricultural Water Management, Elsevier, vol. 164(P1), pages 83-90.
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    Cited by:

    1. Muhammad Suleman & Muhammad Ashraf & Qurat-Ul-Ain Raza & Muhammad Amjad Bashir & Shafeeq Ur Rahman & Muhammad Aon & Saba Ali & Sher Muhammad Shahzad & Muhammad Usman Khalid & Hafiz Muhammad Ali Raza &, 2022. "Determining the Cadmium Accumulation in Maize ( Zea mays L.) and Soil Influenced by Phosphoric Fertilizers in Two Different Textured Soils," Land, MDPI, vol. 11(8), pages 1-15, August.

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