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Water handling application takes care for a constant optimal oxygen level

Enough oxygen in the root-environment is a condition for a strong and healthy cultivation. More oxygen makes the cultivation stronger and leads to higher productions. That is the experience of Van der Voort Tomaten in Vielpolders. The company uses a water handling application which keeps the oxygen level optimal.
The company produces on an 8-hectare mini plum tomatoes and cocktail tomatoes. Light is built on 3 of the 8 hectares. The company on the Tuindersweg is the second establishment, the main establishment of the Prominent lies in ‘s-Gravenzande.
A few years ago, Van der Voort bought the company in Vierpolders. The water basins were already aerated with the Oxybull water handling application of Agrona. “It was part of the operating device and we kept using it”, said Joost van der Voort. “Until the system fell out one time, we saw the difference. The suppler of enough oxygen to the roots stopped breathing, the cultivation became less vital and the heads were no longer fresh.”

The system uses plates which are in the water basin. A pump ensures that the air is pressed through a cloth with a lot of little membranes. So it adds millions of minuscule air bubbles to the water. The system is a big investment, but according to Van der Voort a good effect. “The malfunction made clear what the added value is. We had used three units, recently we have invested in a fourth unite and we started to use the measurements.”
Director Nadir Laaguili of the manufacturer explained the importance of enough oxygen. “Research has showed that more oxygen in the root environment ensures more growth and higher productions. A deficit in roots leads always to a restriction of growth.”

A level of ten milligrams per litre is by the way the maximum. Extra oxygen for the plant has no point, because the cultivation doesn’t know how to begin with the oversupply. Also, the water cannot hold a bigger volume of oxygen. Hence the upper limit of ten milligrams per litre. According to Laaguili, a higher level also leads to a better ingestion of nutrients. Oxygen is essential for favourable, aerobic bacterium. “If the breeder sends extra oxygen from the daily stock, he sees the consequences in his cultivation. The plant can feed itself better, that will give the cultivation wins on vitality and it will grow better. Also, the valuable micro-organisms in the medium get a booster. So, the bottom food web will be stronger and you will see this inter alia in a bigger plant resistance.

Van der Voort uses the water handling application in combination with the AG-Stim by Agrona. It feeds and activates the valuable bacterium, that will give a faster ingestion of nutrients. A side-effect of this product is the fact that organic materials will degrade and will be transposed in inorganic material, that will give cleaner pipes. Laaguili: “The volume is negligible, but: the inorganic material is food for the plants and shall be included in the cyclus.”
The breeder: “A treatment with chlorine or hydrogen peroxide is not necessary anymore. And that is what we want: to always grow more naturally, always less chemistry. In the past, we worked with ECAwater, or electrochemical active water. But also, this didn’t fit in such a cultivation as naturally as possible. So, we stopped with this technique. And chlorine or hydrogen peroxide also runs counter to a sustainable and natural cultivation, because it’s destroying the microbiology.”

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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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