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Client case Soil 2014

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Client: PPO Lelystad (part of Wageningen UR)

Respondent: Jan Lamers, researcher

Research project: Resilient Soil


Form: research on the Vredepeel experimental farm and on commercial strawberry farms. In collaboration with: PPO Lelystad. Aim: investigate how to increase the natural disease-suppressiveness of soils, specifically in relation to common soil-borne pests and diseases in strawberry production. Reason: Intensive crops are prone to soil-borne pests and diseases. Strawberry growers are still allowed to fumigate their soils, but these chemicals will be banned in the future. Research method: map the effect of green manures - such as marigolds and bristle oat - and compost on the DNA of soil organisms.

Main reason to choose the Louis Bolk Institute:

Jan Lamers: "This partnership enables us to study soil disease suppressiveness from different angles: our experience is focused on conventional production, whereas the Louis Bolk lnstitute brings in expertise on organic agriculture. Furthermore, they have more experience in conducting on-farm research together with growers." 

What is PPO Lelystads' opinion of the Louis Bolk Institute?

"lt was an eye-opener for me how everyone brought in their own knowledge and experience in interpreting the data. We took soil samples in places where crop growth was either very good or very poor. PPO measured the strawberry yields, while the Louis Bolk lnstitute assessed the level of disease suppression. Next, we analysed all the data together. This enabled us to get the whole picture, and to draw more comprehensive conclusions. This enabled us to get the whole picture, and to draw more comprehensive conclusions than had we worked alone."

More about the Louis Bolk Institute

Jan Lamers, partner of the Louis Bolk Institute in the Resilient Soil project