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Impact of irrigation techniques on rice yield and dynamics of zinc in plants and soil

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  • Dinh Thi Lan Phuong

    (Department of Basic Chemistry, Faculty of Chemistry and Environment, Thuyloi University, Dong Da, Hanoi, Vietnam)

  • Nguyen Thanh Hoa

    (Department of Environmental Engineering, Faculty of Chemistry and Environment, Thuyloi University, Dong Da, Hanoi, Vietnam)

  • Nguyen Thi Hang Nga

    (Department of Water Resouces Engineering, Faculty of Water Resources Engineering, Thuyloi University, Dong Da, Hanoi, Vietnam)

Abstract

Zinc (Zn) insufficiency and water deficiency are primary challenges in intensive rice production systems. This study aims to examine the influence of two irrigation regimes, flood irrigation (FI) and water-saving irrigation (WSI), on rice grain yield and mobile Zn accumulation in soil and rice grains. Experiments were conducted in An Vien rice fields in the Tien Lu district, Hung Yen province, located in the middle of the Red River delta during four rice seasons from 2015 to 2016. The results showed that the WSI regime dramatically increased the grain yield and Zn concentrations in grain of rice. Grain yield was increased by 14.76% and grain Zn concentration by 17.93% when compared with the FI regime. The decrease in the mobile Zn concentration in soil was only 5.7% in the WSI technique, compared with 73.6% for FI techniques. Therefore, it can be concluded that WSI can be effective agricultural practice to elevate grain yield and increase Zn retention in soil and bioavailability in rice grains.

Suggested Citation

  • Dinh Thi Lan Phuong & Nguyen Thanh Hoa & Nguyen Thi Hang Nga, 2020. "Impact of irrigation techniques on rice yield and dynamics of zinc in plants and soil," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 66(3), pages 135-142.
    • Handle: RePEc:caa:jnlpse:v:66:y:2020:i:3:id:660-2019-pse
    DOI: 10.17221/660/2019-PSE
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    References listed on IDEAS

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    1. Yan MA & Junzeng XU & Qi WEI & Shihong YANG & Linxian LIAO & Suyan CHEN & Qi LIAO, 2017. "Organic carbon content and its liable components in paddy soil under water-saving irrigation," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 63(3), pages 125-130.
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