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The effects of substrates on growth and green coverage of Blue daze (Evolvulus glomeratus) under rooftop condition

Nguyen, Anh Duc and Chu, Ha Duc and Nguyen, Van Loc (2021) The effects of substrates on growth and green coverage of Blue daze (Evolvulus glomeratus) under rooftop condition. Vegetos . ISSN 2229-4473

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Abstract

Establishment of the green space in urban environment has been regarded as one of the major strategies for the development of green cities. In this study, we provided experimental evidence for the uses of biochar-based substrates for the growth and development of blue daze (Evolvulus glomeratus) plants under the rooftop condition. We frstly analyzed the physical features of four common substrates, including 100% soil, soil+rice hull+coconut fber (2:1:1), soil+coconut fber+rice hull+coal slag (1:1:1:1) and soil+coconut fber+rice hull+coal slag (1:2:2:1) to gain an advantages under the rooftop condition. Subsequently, the evaluation of the growth and development of the blue daze (Evolvulus glomeratus) in four formulas under the rooftop condition was investigated. Among them, the use of soil+coconut fber+rice hull+coal slag (1:1:1:1) exhibited the highest values of growth dynamics and green coverage. Additionally, the efects of three thicknesses (5, 8, and 12 cm) of a selected formula were tested under the rooftop condition. The results revealed that the surface area of green coverage exhibited the highest value, by 1964.13 cm2 at 90 days after planting in a depth layer of 8 cm. Taken together, our study could provide a solid foundation for further cultivation of blue daze plants under the rooftop condition.

Item Type: Article
Subjects: Agriculture Technology
ISI-indexed journals
Divisions: Faculty of Agriculture Technology (FAT)
Depositing User: Ph.D. Ha Chu
Date Deposited: 27 Nov 2021 02:28
Last Modified: 27 Nov 2021 02:28
URI: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/4636

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