Written by cpm
Download PDF Grain nutrient benchmarking could reveal new ways to improve nitrogen use efficiency. CPM explores what it is and why it could influence your next fertiliser order. Every kilogram lost represents a financial loss for growers and an environmental burden. By Tom Allen-Stevens How many tonnes of nitrogen-based fertiliser has fanned out behind you as you’ve applied it to the crop this year, and how much of that has actually been taken up by that crop? There’s a good chance more than half of it never actually made it into the growing canopy, let alone into the emerging ear, according to Yara’s Mark Tucker. “While the best growers in ideal conditions achieve up to 80% nitrogen use efficiency (NUE), it can be as poor as 35%, especially when soil conditions are compromised, as they have been this year. But every kilogram lost represents a financial loss for growers and an environmental burden.” Mark feels that this time of year, just before you set about deciding your fertiliser order for next year, is the opportune time to assess how you source and how you apply the key elements of your crop nutrition. “Perhaps the first decisions to make relate to…
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