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Hydroponics Daily

Hydroponics Daily

Auteur(s): Eutrema Ltd
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Daily clips of hydroponic science throughout the whole of 2025 Presented by Dr Russell Sharp Brought to you by the team behind Gold Leaf - seed to harvest with just one bottle of feed.Copyright 2024 All rights reserved. Science Sciences biologiques
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  • Tylenol (Paracetamol) causes what in plants?!?!?!?
    Sep 23 2025

    Dr. Russell Sharp reviews research on paracetamol (acetaminophen/Tylenol) and its effects on plants in hydroponics and horticulture. He explains how the drug is taken up by roots and leaves, how plants detoxify it, and how even small amounts can trigger oxidative stress, impair photosynthesis and inhibit growth in species like lettuce and maize.

    The episode covers evidence of DNA methylation changes in maize, that silicon fertiliser can mitigate damage, and that paracetamol is generally detrimental rather than beneficial to plants. Practical takeaways: avoid applying paracetamol to crops, use proper water filtration, and rely on ozone/UV or RO for removing contaminants.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

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    7 min
  • Rafflesia: The World's Hardest Plant to Grow
    Sep 22 2025

    Dr. Russell Sharp explores why Rafflesia arnoldii — the so-called corpse flower with the world\'s largest single bloom — is likely the most difficult plant to cultivate. He explains its parasitic lifestyle, dependence on a specific Tetrastigma vine host, short flowering window, dioecious reproduction, and rarity in the wild.

    The episode contrasts Rafflesia with the more commonly cultivated titan arum, discusses thermogenesis and pollination strategy, and highlights why conserving native rainforests is essential for this species.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

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    11 min
  • Are you growing a C4 crop? Maize, millet, Sorghum, Bermuda Grass etc
    Sep 21 2025

    This episode explains C4 photosynthesis (the Hatch–Slack pathway), how it concentrates CO2 around rubisco to reduce photorespiration, and why C4 plants perform exceptionally well in hot, dry, high‑CO2 conditions.

    It covers common C4 crops (maize, sugarcane, sorghum, millets, tropical grasses) and practical hydroponic tips: increase light intensity, temperature, CO2 levels, and support with extra nitrogen and magnesium to maximize growth.

    The episode also highlights a 2024 study showing humic acids can strongly boost photosynthesis in C4 plants and encourages growers to investigate biostimulants before applying them.

    https://eutrema.co.uk/shop/fertiliser/liquid-gold-unique-complete-fertiliser/

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    9 min
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