Effects of Organic Fertilizer and HB101 Plant Vitalizer on the Growth and Yield of Rice (Oryza sativa L.)

Nguyen Thi Loan 1 and Nguyen Ngoc Hung 2

1Faculty of Agronomy; Vietnam National University of Agriculture; Hanoi 131000, Vietnam
2Hybrid Rice Research and Development Center; Field Crop Research Institute; Hanoi 134000, Vietnam
Received: Jun 14, 2019 /
Revised: May 25, 2020 /
Published: Aug 30, 2019

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To study the effects of organic fertilizer and HB101 organic plant vitalizer on the growth and yield components of the BH9 rice variety, a field experiment with 4 x 3 factorial design was conducted at Hong Thai commune, Kien Xuong district, Thai Binh province in 2017 summer season using a randomized complete block design with 3 replications. Organic fertilizer derived from chicken manure and peat was applied at 3 levels (0 ton ha-1, 4 tons ha-1, and 6 tons ha-1) while the HB101 plant vitalizer was sprayed in 4 levels (0%, 0.015%, 0.025%, and 0.035%; the amount of water to dilute HB101 was 1000 litre ha-1). The application of the organic fertilizer alone and the combination of organic fertilizer and HB101 positively increased the total tiller number, effective tiller number, leaf area index (LAI), SPAD value, dry matter accumulation, yield components, and grain yield of rice. There were also differences in the SPAD values (at flowering stage), dry matter weight (at active tillering stage), and 1000 grain weight under the influence of the HB101 solution. The combination of 6 tons ha-1 organic fertilizer and  HB101 significantly increased the grain yield as compared to the other treatments, and the highest grain yield (3.03 tons ha-1) was obtained when  organic fertilizer (6 tons ha-1) was applied in combination with HB101 plant vitalizer (0.025%).

Keywords: rice, grain yield, organic fertilizer, plant vitalizer

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How to Cite
Thi Loan, N., & Ngoc Hung, N. (2019). Effects of Organic Fertilizer and HB101 Plant Vitalizer on the Growth and Yield of Rice (Oryza sativa L.). Vietnam Journal of Agricultural Sciences, 2(2), 357-369. https://doi.org/10.31817/vjas.2019.2.2.01


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