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Marius Mans of Mans Flowers about water management “Controlling by drain percentage is crucial for Gerbera cultivation”

The characteristic feature of Gerbera horticulture is the enormous variety of colors in the greenhouse. Each color, however, represents a different species, with specific needs in terms of water dosing and fertilization. Controlling by drain percentage is very important in the cultivation of Gerberas. Quality is the number one priority for Marius Mans of Mans Flowers. The availability of modern measurement and control instruments such as the Priva Connext process computer is therefore of critical importance.

At Mans Flowers, water is supplied precisely, based on the transpiration of the plant. Grower Marius Mans believes controlling by drain percentage is extremely important. The drain water is collected, heated and recycled because sustainability is a distinctive feature of this horticultural company. By sampling the return drain water, it is possible to assess how much water and food is being absorbed by the plant. This is then used to determine the food and water dosage. “This is our most important control tool for optimum growth. We know what settings work best for us. We use average control values – with 33 different species we don’t really have any other choice – but if necessary we can adjust the recipe.”

Mans Flowers has installed a valve set equipped with a pressure gauge for every two covers. The pressure-compensated drippers ensure that every plant in the greenhouse now receives the same quantity of water. “Roots are the engine of the plant”, emphasizes Marius Mans. “Good roots produce a strong plant for a healthy growth. Therefore, correct water dosage is crucial.”

Would you like to know more about sustainable water solutions for your greenhouse? Check our website

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Israel announces creation of global seed company

Two Israeli seed producers, Nirit Seeds and TomaTech, have joined forces to create Israel’s largest vegetable seed company. This synergy will enable unique seed breeding research and development that will accelerate the company’s growth in the international seed markets.

Upon completion of the merger, the company will have more than 80 employees worldwide, including molecular biologists, breeders, agronomists, and others.
The company will improve its breeding activities in Israel, Spain, Mexico and Italy, as well as significantly expand its representation in the Netherlands and North America, with a particular focus on growing vegetables in high-tech greenhouses.

Nirit Seeds is one of the most successful internationally traded tomato and pepper seed producers, investing in the development of revolutionary genetic technologies. TomaTech is one of the leading tomato seed companies in Israel, developing premium varieties, including those resistant to the dangerous Tomato Brown Ruffle Virus (ToBRFV).

The production of crop seeds is one of the most advanced and high-tech sectors in Israel. According to the Seed Department of the Federation of Israel Chambers of Commerce, seed exports currently generate $200 million in annual revenue. There are about 25 large and medium-sized companies in the local industry.

For reference. According to market research, the global vegetable seed industry is valued at $8 billion a year and is growing at a CAGR of 8%.

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Karachay-Cherkessia became one of the leaders in the production of greenhouse vegetables at the end of 2021


Greenhouse vegetable production in 2021 reached a record 1.4 million tonnes. According to the Ministry of Agriculture of the Russian Federation, the leaders among the regions in this segment are the Karachay-Cherkess Republic, Lipetsk, Moscow, Kaluga, Volgograd, Novosibirsk, Saratov, Chelyabinsk regions, Krasnodar and Stavropol Territories, the Republics of Bashkortostan and Tatarstan. These regions account for more than 60% of the total production in the country. The intensive development of greenhouse projects in our country helps to provide Russians with fresh vegetables all year round. Last year, the harvest in winter greenhouses updated the 2020 record – more than 1.4 million tons of products were received. Including the production of cucumbers amounted to at least 830 thousand tons, and tomatoes – 590 thousand tons. It is expected that by 2025 the volume of vegetable production in year-round greenhouses will be at least 1.6 million tons of vegetables.


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December: Special Year Overview

In 2022, it will be 22 year since the new millennium started. Can’t believe it? Neither can we, but it is true. Before we go there, it is time to reflect on what has happened this year. Over the next couple of weeks, we will look back at 2021 and we will highlight the most important events that impacted the industry.

New greenhouses, events, even a few shows, technical novelties, and all other relevant news will pass by, offering you something other than Covid to talk about during Christmas and New Years’.


Wish your customers Happy Holidays
This special also offers an opportunity to put your company in the spotlight with a banner in this special box. This banner can be booked until December 24 on our newsletters. For more information, feel free to send an email to: 

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