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The effect of rockwool on physical properties of growing substrates for perennials 38

Author

Listed:
  • M. Dubský

    (Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Průhonice, Czech Republic)

  • F. Šrámek

    (Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Průhonice, Czech Republic)

Abstract

The possibility of peat replacement with crushed water absorbent rockwool in growing substrates in the amount of 35% vol. was verified in the experiment with perennials in containers. Three types of substrates, i.e. peat, and two mixtures of peat with alternative components - green waste compost (25% vol.) or composted spruce bark (40% vol.) were compared. A sand box in the range of -0.5 to -10 kPa was used to determine retention curves and other physical properties of the components and substrates. The addition of rockwool to the peat substrate increased content of air and easy available water, the plant growth was not affected. Plants grown in substrates with alternative organic components were smaller in comparison to peat substrate. The growth of perennials significantly decreased, mainly in substrates with bark, but the plants had good market value. The addition of rockwool to these substrates had no significant effect on the growth. Crushed rockwool in the amount of 35% vol. can replace peat in peat substrates and in mixtures with alternative components.

Suggested Citation

  • M. Dubský & F. Šrámek, 2009. "The effect of rockwool on physical properties of growing substrates for perennials 38," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 36(1), pages 38-43.
    • Handle: RePEc:caa:jnlhor:v:36:y:2009:i:1:id:22-2008-hortsci
    DOI: 10.17221/22/2008-HORTSCI
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    Cited by:

    1. Milon Chowdhury & Alexandra Espinoza-Ayala & Uttara C. Samarakoon & James E. Altland & Teng Yang, 2024. "Substrate Comparison for Tomato Propagation under Different Fertigation Protocols," Agriculture, MDPI, vol. 14(3), pages 1-14, February.
    2. Shengyang Zheng & Chenzhe Wang & Jing Ju & Qigen Dai & Haitao Zhao & Ping Liu & Xin Wang, 2023. "Is Rockwool Potentially Harmful to the Soil Environment as a Nursery Substrate? Taking Eisenia fetida as an Example for Toxicological Analysis," Agriculture, MDPI, vol. 13(10), pages 1-19, October.

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