It’s raining plenty now, but when it comes time to side dress nitrogen (N), rain may not be in the forecast. Ron Paulson, Federated agronomist at the Isanti location, calls Factor
®
, a urease inhibitor, “a good insurance policy; if it doesn’t rain, you’ll still be protected.”
Factor protects the N in applications of urea or UAN for 14 days. “
If you don’t use an inhibitor such as Factor, in 14 days you can lose up to 34% of the N [if it doesn’t rain],” said Paulson, adding that “half an inch of rain will incorporate the N” but the rain doesn’t always fall on time...
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