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How much nitrogen does corn get from fertilizer? Less than farmers think samacharcentral.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from samacharcentral.com Daily Mail and Mail on Sunday newspapers.
Corn growers seeking to increase the amount of nitrogen taken up by their crop can adjust many aspects of fertilizer application, but recent studies from the University of Illinois Urbana-Champaign show those tweaks don’t do much to improve uptake efficiency from fertilizer. That’s because, the studies show, corn takes up the majority of its nitrogen – about 67% on average – from sources occurring naturally in soil, not from fertilizer.
Many farmers think if they add plenty of nitrogen fertilizer, that nutrient, along with carbon, will be stored in the soil as organic matter when microbes decompose crop residue. But new research from the University of Illinois suggests those efforts might not work for poor soils.