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immediately tells you how the level of infestation is developing.’ At RedStar, Jan van Nieuwkerk is responsible for plant protection at the company's…
Improving plant health both above and underground. We were founded in 1967 by Jan Koppert, a Dutch grower with a clear vision; the world needed an…
crop is treated with a bacterial preparation. Internal cultivation adviser Jan Mulder explains, ‘It is essential that we do something to combat fungus…
placement system A collaboration between the Dutch companies Schenkeveld Tomaten, Jan Lelij, and Metazet/FormFlex has led to the production of a new…
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