Written by Charlotte Cunningham
Syngenta is urging growers to be timely with fertiliser applications to hybrid barley this season, as part of a checklist to help maintain the crop’s high yield potential after the difficult winter. Charlotte Cunningham reports. Early spring nitrogen is always important to ‘feed’ the crop’s vigorous growth, says Syngenta seeds technical manager, Paul Roche. But with this season’s potential for backward crops with reduced tiller numbers after the wet winter, ensuring that sufficient nitrogen is available early, so that active growth is not held back, will be particularly important, he notes. “Clearly, fertilisers need to be applied within industry regulations and according to FACTS qualified advice and local conditions,” says Paul. “However, a typical programme would be to start by applying 30% of the total nitrogen dose for the season as soon as conditions are suitable in early spring during tillering, at about GS25. This would be followed by 50% of the total dose at, or just before GS31, and the final 20% some 2-3 weeks after that, typically by the end of April. “If these splits aren’t possible, then applying 50% of the total dose at the first timing and 50% at the second timing is an alternative. But avoid late nitrogen…
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