Effect of the Different Organic Nutrient Solutions on the Vegetative Growth, Yield and Quality of Water Spinach Cultivated by Using Circulating Hydroponic Technology and Growth Media Bed

Received: 24-03-2020

Accepted: 16-04-2020

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Issue: Vol. 18 No. 3 (2020)

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NÔNG HỌC

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Dinh, N., Dung, P., Hanh, N., & Thanh, D. (2024). Effect of the Different Organic Nutrient Solutions on the Vegetative Growth, Yield and Quality of Water Spinach Cultivated by Using Circulating Hydroponic Technology and Growth Media Bed. Vietnam Journal of Agricultural Sciences, 18(3), 167–177. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/655

Effect of the Different Organic Nutrient Solutions on the Vegetative Growth, Yield and Quality of Water Spinach Cultivated by Using Circulating Hydroponic Technology and Growth Media Bed

Nguyen Thi Ngoc Dinh (*) 1 , Pham Tien Dung 1 , Nguyen Hong Hanh 1 , Do Thi Thanh 1

  • 1 Trung tâm Nông nghiệp hữu cơ, Khoa Nông học, Học viện Nông nghiệp Việt Nam

    • Keywords

    Circulating hydroponic, growth media bed, organic nutrient solution, water spinach

    Abstract


    To determine the kind of organic nutrient solution which is conformed to the circulating hydroponic technology by using the growth media bed for water spinach. Experiment 1 was conducted to evaluate the effect of different concentrations of V.M 1954 organic nutrient solutions (0.5‰, 1.5‰ and 2.5‰) on the growth, productivity and quality of water spinach in summer season 2017 at Center for Organic Agriculture Promotion and Studies, Vietnam National University of Agriculture. The results showed that the concentration of 1.5‰ was optimal for the growth, development and productivity of water spinach. To further evaluate some more types of organic nutrient solutions as a hydroponic solution, experiment 2 was carried out to determine the effects of 03 types of organic nutrient solutions (V.M 1954, Vegano and TNC Hume) to the growth, yield and quality of water spinach by using a circulating hydroponic system and growth media bed in summer and summer-autumn seasons, 2019. The attained results indicated that the V.M 1954 organic nutrient solution was the best for the growth, yield and quality of water spinach. From the results of experiment 1 and 2, we have confirmed that water spinach could fully grow and well develop for good productivity and quality, and simultaneously reduce pests and diseases when grown in circulating hydroponic technology using growth media bed with organic nutrient solution V.M 1954 (1.5‰ concentration).

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