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Haifa organizes free online fertilizer seminar

If you are a grower and want to get the most out of your fertilizer strategy, please make sure to register for the on line webinar that Haifa is organizing this Wednesday.Whether you are a grower of greenhouse vegetables like tomato, cucumber or bell peppers, or a growers of ornamentals; the webinar will share a lot of informative knowledge on fertilization.

The level of the course will be between middle and higher horticultural educational levels, but there will be more than enough useful information available for anyone that is interested to learn more about applying fertilizers.

According to Haifa's Ronald Valke, growers have registered from more than 60 countries. "We advice those that want to have acces to the free webinars as well, to register as soon as possible at"

During the seminars, that will last about 45-60 minutes, participants have the possibility to ask their questions real-time to one of the 4 moderators that have technical knowledge on fertilizer application. As well as this, Professor Leo Marcellis will also be available to answer the questions.

About the seminars

Haifa Group organizes a series of four monthly online seminars, focusing on 'Knowledge, your key to success’. The webinars will present practical key topics of advanced plant nutrition and fertilization in modern horticulture. The first webinar, targeting “Optimizing Quality” is set to Wednesday, 3rd December 2014. Participation in the webinar series is free of charge.

The webinars are produced in a co-production with Wageningen University, the Netherlands, and will be delivered by Prof. Leo Marcelis, Head of chair group Horticulture and Product Physiology. The webinar sessions are aiming to provide a broad knowledge and to assist growers, advisors, and horticulture professionals.

The topics to be covered in the four-session webinar series are:

1. Optimizing Quality - December 3th, 2014, 8:00pm (GMT +1)

The necessity of sufficient and accurate cation supply to crops' quality

2. Optimizing Growth - January 28st, 2015, 8:00pm (GMT +1)

Anion supply – importance, benefits, and influences

3. Optimizing Color & Appearance - March 4th, 2015, 8:00pm (GMT +1)
Micro nutrients as essential elements in modern horticulture fertilization

4. Optimizing Nutrition and Climate - April 15th, 2015, 8:00pm (GMT +1)

Climate in relation to nutrition and vice versa, with special focus on pH and EC

As the webinar is a live event, viewers will be able to ask questions, and receive an immediate response from Prof. Marcelis and from the Haifa team.

Free registration is now open at:

Following a short online registration process, the webinars are free of tuition fees.

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