• HaifaStream: 2 tanks fertilizer stock solution - the nutritional base for your crop - Episode 2
    Feb 2 2026

    Creating concentrated fetilizer solutins can be tricky sometimes. Water temperature, pH and total concentration are the 3 main aspects. Which tank should the chelates be added into? which pH to target? what is the right way to use polyphosphate ?
    Join Haifa Group’s greenhouse experts Marco Molenaar & Filippo Correddu to learn more about prepration of 100% soluble fertilizer stock solutions.

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    26 mins
  • HaifaStream: Shifting to water recirculated irrigation systems carries potential benefits - what are the risks and necessities to make the change.
    Feb 2 2026

    Water recirculated systems requires equipment, quality water and knowledge. pH buffering, sodium management, fertilizer purity, drainage treatments, rebalancing nutrients and chelates and a lot more.
    Join Haifa Group’s greenhouse experts Marco Molenaar & Guy De Villartay to learn more and gain important basics and tips.

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    22 mins
  • HaifaStream: Lab analysis is often recognized as unnecessary expanse - is it really needed ?
    Feb 2 2026

    Lab analysis… soil, water, leaves or other, are often perceived as time consuming and unnecessary expanse. Are they really needed or is a portable meter good enough ? We defiantly believe so !
    Getting the right analysis in the right time can save your crop, save money and guide you to better results.
    Join Haifa Group’s experts Ronald Valke, Filippo Correddu and Guy De Villartay to learn more from their personal experience

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    19 mins
  • HaifaStream: Grafted vines in greenhouses – a growing trend
    Feb 2 2026

    From a short dip to history to modern cultivation & fertilization practices of grape vines and future thoughts ever increasing efficiency.
    Join Haifa Group’s experts Filippo Correddu and Ronald Valke to learn more about the history, present and future of grape vine cultivation

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    22 mins
  • HaifaStream: Ions Antagonism and Synergism – because shortages do not necessarily mean being short
    Feb 2 2026

    Managing the right BALANCE between cation and anions is the key for adequate fertigation.
    Nutritional deficiencies are very common and will always lead to loss of yield, but how can you correct or even prevent it ?
    Providing more nutrients is NOT necessarily the right answer !
    Join Haifa Group’s experts Marco Molenaar & Filippo Correddu to learn more about deficiency management, ion mobility, ion relationships and how to BALANCE it right

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    24 mins
  • HaifaStream: Managing water contents in your substrate – how and why
    Nov 20 2025

    Substrate water content is critical to provide the right balance of water and air to the root zone. Too little or to high content will immediately impact plant performance and development translated to yield loss. Join Haifa Group’s greenhouse experts Ronald Valke and Filippo Correddu to learn more about the right way to measure, calculate and manage substrate water content.

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    27 mins
  • HaifaStream: pH Control in soilless cultivation – a crucial factor for nutritional efficiency. Manage it the right way !
    Oct 21 2025

    pH of aqueous solutions in agricultural systems may be affected by multiple factors and requires careful management to improve success.
    Proper management should include the full cycle of water in your greenhouse – from concentrated fertilizer solution to the mixing tank, dripper, substrate, plant roots, drain, disinfection systems and back again.
    Join Haifa Group’s greenhouse experts Marco Molenaar & Guy De Villartay to learn more and gain simple tips for a complexed challenge.

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    25 mins
  • HaifaStream: Clogged drippers - more common than you think. Yes, there's an easy solution.
    Jul 6 2023

    Over time drippers tend to clog and block, resulting in an unequal supply of water and nutrients to your plants. Haifa Group's experts Tal Shani and Ronald Valke are here to share a very simple solution. "Check it by yourself".

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    5 mins