Episodios

  • Nitrogen choice: The Key to Hydroponic Success
    Jul 18 2025

    In this episode of Hydroponics Daily, join Dr. Russell Sharp as we embark on a comprehensive exploration of nitrogen and its critical role in soilless cultivation. Discover why nitrogen is the most demanded nutrient for plant growth and learn about the different forms of nitrogen used in hydroponics like nitrates, ammonium, and urea. Each form has unique advantages and disadvantages, impacting factors such as pH balance, crop quality, and environmental footprint.

    Dive deep into the chemical roles these nitrogen variants play, including their effects on plant physiology and potential interactions with other nutrients. Dr. Sharp also provides insights into the use of amino acids as biostimulants, highlighting alternative sources and methods for managing nitrogen efficiently.

    This episode is a must-listen for hydroponic enthusiasts seeking to optimize nutrient management and enhance their understanding of nitrogen’s importance in plant health and productivity.

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

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    10 m
  • Hanging Baskets - passive hydroponics
    Jul 17 2025

    Welcome to Hydroponics Daily with Dr. Russell Sharp, where we explore the captivating world of hanging baskets. These vibrant, flowering orbs not only adorn our outdoor spaces but also challenge our horticultural skills, resembling a simplified hydroponic system.

    In this episode, we delve into the essentials of watering, choosing the right grow media, selecting plants, and crafting great designs — from tomatoes to trailing petunias. Dr. Sharp shares his endeavor to use hanging baskets as a fundraising project for his son's school, proving that with minimal investment, they can be a lucrative venture.

    Learn about the dynamics of hanging basket care, addressing nutrient supply and pest control, and discover why automated irrigation systems are the key to thriving baskets. Tune in for expert advice on plant choices and creative arrangement techniques to make your displays stand out, all while supporting a good cause.

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

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    17 m
  • Hydroponics Revolution in Cut Flower Production
    Jul 16 2025

    Today we delve deep into the world of hydroponic cut flower production. Today, we explore the advantages of shifting from soil to soilless cultivation for popular flowers like roses, chrysanthemums, and proteas. Discover how hydroponics enables year-round production, precise environmental control, and higher yields that enhance flower quality and vase life.

    Dive into the geographical hotspots of flower production, from Kenya to the Netherlands, and learn how different regions excel in growing specific varieties. Understand the intricate balance of nutrients, light, and temperature needed for successful hydroponic cultivation, and uncover unique stories, such as the rodent-pollinated Proteas of South Africa.

    Join us as we unravel the challenges and future opportunities in this vibrant industry, including innovative solutions like breeding for hydroponic adaptability. Whether you're a seasoned hydroponics enthusiast or a curious beginner, this episode offers valuable insights into creating a thriving floral business.

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    17 m
  • Flower Colour Manipulation
    Jul 15 2025

    Welcome to Hydroponics Daily with Dr. Russell Sharp, where today's episode delves into the fascinating world of manipulating flower colour and shape in hydroponics. While traditional methods of changing plant appearance through soil, nutrients, and light conditions exist, flowers often remain unchanged—until now.

    Explore how scientists have discovered groundbreaking techniques to alter flower hues by optimizing temperature, light exposure, and pH levels. From the effect of high altitudes and LED lighting to the role of anthocyanins in hydrangeas, this episode provides practical advice for growers aiming to achieve deeper, more vibrant flower colors without genetic modification.

    Whether you're interested in the striking blue of hydrangeas or the stunning purple of legal cannabis, learn how to harness environmental factors to enhance flower pigment intensities. Join us as Dr. Sharp discusses innovative methods and experiments, offering insights into the future of soilless flower production.

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

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    9 m
  • Seed Coatings: The Untapped Potential in Hydroponics
    Jul 14 2025

    In this episode of Hydroponics Daily, Dr. Russell Sharp ventures into the lesser-discussed realm of seed coating within hydroponic and horticulture practices, particularly in Europe and America. Discover the untapped commercial and scientific potential of seed dressings in enhancing the growth and resilience of plants without soil.

    Dr. Sharp delves into various seed coating techniques that involve pigments, protective layers, and nutrient cocktails, highlighting their transformative impact on seed viability and plant vigor. The discussion spans the application of biostimulants, fungicides, and beneficial microbes, offering new possibilities for greenhouse growers and microgreen producers.

    Learn about innovative developments such as jasmonic acid priming and complete seed pelleting, and explore opportunities for entrepreneurial endeavors in the creation of uniquely coated seeds. With insights into commercial applications and case studies like the Slugger product for pest-resistant seedlings, this episode sheds light on how seed coatings could revolutionize modern horticulture.

    https://eutrema.co.uk/shop/biostimulants/slugger/

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    15 m
  • Unveiling the Power of Trichomes: Nature's Hairline
    Jul 13 2025

    Welcome to Hydroponics Daily, the podcast delving into the fascinating world of soilless cultivation. In this episode, Dr. Russell Sharp explores the intricate role of trichomes, the tiny hair-like structures on plants, in crop protection and enhancement.

    Discover how trichomes, often mistaken simply as plant hairs, are essential in defending plants against pests, reducing water loss, and even influencing the aroma and potency of various crops. From cannabis and tomatoes to herbs like mint and basil, trichomes contribute to each plant's unique characteristics.

    Learn about the different types of trichomes, such as glandular and non-glandular, and their critical roles in both plant defense mechanisms and economic value. Whether you’re cultivating cannabis, tomatoes, or fiber crops like cotton and nettles, understanding trichomes is key to maximizing crop quality and value.

    Join us for an insightful journey into the microscopic world of trichomes, where science meets nature in a delicate balance of defense and development. Perfect for growers eager to enhance their knowledge and optimize their crops.

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

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    13 m
  • Bananas: A New Frontier in Hydroponic Cultivation?
    Jul 12 2025

    Welcome back to Hydroponics Daily! In this episode, Dr. Russell Sharp breaks the news of Russia officially recognizing bananas as an agricultural crop, paving the way for research grants, commercial greenhouses, and essential subsidies. He discusses the implications for horticulturists in Russia, offering insights for those interested in growing hydroponic bananas worldwide.

    Dr. Sharp delves into the fascinating biology of bananas, clarifying common misconceptions and explaining their true nature. He highlights the ideal growing conditions, emphasizing the environmental control required for greenhouse cultivation, particularly in cooler climates. Despite past challenges, he explores future prospects for hydroponic bananas, inspired by historical and ongoing research.

    The episode also examines the potential benefits of localized banana production, such as reduced carbon footprint and fresher produce. Dr. Sharp shares tips on combating diseases and pests, essential nutrients, and practical advice for setting up a successful hydroponic banana system.

    Join us as we uncover the exciting possibilities of soilless banana cultivation in various climates, including potential developments in Central Asia due to Russia's recent recognition. A must-listen for anyone passionate about innovative agriculture!

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

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    18 m
  • How Plants Transform Pollution Into Nourishment
    Jul 11 2025

    Welcome back to Hydroponics Daily! In this episode, Dr. Russell Sharp unveils a hidden dimension of plant nutrition that's transforming the way we view air pollution. While air pollution is often discussed in terms of its negative impact on health and climate, Dr. Sharp dives into the lesser-known ability of plants to absorb airborne pollutants, such as nitrogen oxides, ammonia, and sulfur compounds, directly through their leaves.

    Discover how these pollutants are converted into essential nutrients and how this phenomenon is particularly useful for urban and industrial farming areas. Dr. Sharp explores the historical context, detailing how some plants even thrive with pollution-derived nutrients, challenging the conventional reliance on soil-based fertilizers.

    Join us as we unpack the complexities of air pollution as a nutrient source, its benefits, and potential risks. From innovative urban farming insights to practical approaches on managing these inputs in hydroponic systems, this episode offers an enlightening perspective for both urban farmers and hydroponics enthusiasts alike.

    https://eutrema.co.uk/shop/fertiliser/sulphur-fertiliser-65-so3/

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    15 m