Written by cpm
Following a good result from her in-field fungicide trial, one Cambs grower resolved to get a better understanding of the part played by the soil. CPM checks in to find out. Keeping the solar panels clean ensures the crop is working efficiently to convert sunlight into biomass. By Tom Allen-Stevens Hannah Darby took a slightly different approach with her on-farm trial last year. It wasn’t just the biomass above ground she was looking to build and then monitor closely. She’s also done some exploring beneath the surface to find out what the roots were up to. With 360ha of combinable crops, based at Sawtry, Cambs, Hannah farms with her uncle, Tony. The farm lies in a basin, at around sea level, but what’s unusual about the soils is that they have organic matter levels of between 30-50%. Jenni Dungait (left) and Mike Green came to the farm to take some soil core samples at three points in Hannah’s fields last autumn. “What surprised me was what we found deep beneath the surface,” says Hannah. “I’ve always been very aware of the heavy clay subsoil that lies under the organic silty topsoil and thought it was impossible for any roots…
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