Student – cow trampling increases nitrate leaching

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This item is an article. It was created by Lynley Hargreaves and 1 on or around the date 18 February, 2015.

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Kyle Roberston It’s 2015, the International Year of Soils, and eighteen-year-old Kyle Robertson has been doing his bit for New Zealand dirt. By squashing soil with a press and pouring fake cow pee on top, the former Palmerston North Boys’ High School student has modelled the effect of cow trampling on nitrate leaching, with some surprising results. He explains why his Gold CREST research tells farmers to beware of overstocking on sandy loams. Is compaction well known for increasing nitrate le...


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