Effectiveness of Organic Foliar-Fertilizers to Growth and Yield of Bacthom 7 Rice Variety to be Produced by Organic Direction at GiaLam, Hanoi

Date Received: 05-06-2025

Date Published: 13-06-2025

##submissions.doi##: https://doi.org/10.31817/tckhnnvn.2012.10.1.

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Issue: Vol. 10 No. 1 (2012)

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NÔNG HỌC

How to Cite:

Tien, D. (2025). Effectiveness of Organic Foliar-Fertilizers to Growth and Yield of Bacthom 7 Rice Variety to be Produced by Organic Direction at GiaLam, Hanoi. Vietnam Journal of Agricultural Sciences, 10(1). https://doi.org/10.31817/tckhnnvn.2012.10.1.

Effectiveness of Organic Foliar-Fertilizers to Growth and Yield of Bacthom 7 Rice Variety to be Produced by Organic Direction at GiaLam, Hanoi

Dung Pham Tien (*)

  • Tác giả liên hệ: [email protected]

    • Keywords

    Organic foliar fertilizers, organic foliar fertilizer effectiveness, rice cultivar Bac Thom 7

    Abstract


    In order to help farmers adopt organic foliar feririlizers available a comparative study on their effectiveness was conducted in Spring and Summer rice seasons on Red River Delta’s alluvial soils at Hanoi University of Agriculture. Research results indicated that for Bac Thom 7 variety, application of 12 tons and 10 tons of compost in spring and summer season, respectively, plus 1500 kg of Sông Gianh microbial organic fertilizer ha-1, together with spraying organic foliar fertilizer increased growth significantly in comarison with control (no foliar fertilizer). Among foliar fertilizers used, viz. Chelax Lay O, CHELAX Sugar Express, CHELAX Rice and combined nutrients, Chelax Lay O was most effective to the growth and productivity, followed by the combined nutrients. The corresponding economic return amounted to VND 97.3 mil. and VND 104 million ha-1, year.

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