HaifaStream: Greenhouse Plant Nutrition by Haifa Group

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Protected cropping systems are highly effective means producing more with less, yet true effectiveness must be backed up by true professionality.Haifa Groups' modern greenhouse experts are here to share their knowledge, tips, and key need to knows achieving best nutritional program for your crop.

  1. FEB 2

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

    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.

    26 min

  2. FEB 2

    HaifaStream: Shifting to water recirculated irrigation systems carries potential benefits - what are the risks and necessities to make the change.

    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.

    22 min

  3. FEB 2

    HaifaStream: Lab analysis is often recognized as unnecessary expanse - is it really needed ?

    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

    19 min

  4. FEB 2

    HaifaStream: Grafted vines in greenhouses – a growing trend

    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

    22 min

  5. FEB 2

    HaifaStream: Ions Antagonism and Synergism – because shortages do not necessarily mean being short

    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

    24 min

  6. 11/20/2025

    HaifaStream: Managing water contents in your substrate – how and why

    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.

    27 min

  7. 10/21/2025

    HaifaStream: pH Control in soilless cultivation – a crucial factor for nutritional efficiency. Manage it the right way !

    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.

    25 min

  8. 07/06/2023

    HaifaStream: Clogged drippers - more common than you think. Yes, there's an easy solution.

    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".

    5 min
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Protected cropping systems are highly effective means producing more with less, yet true effectiveness must be backed up by true professionality.Haifa Groups' modern greenhouse experts are here to share their knowledge, tips, and key need to knows achieving best nutritional program for your crop.

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