Topdressing nitrogen in wheat during a drought year
April 7, 2021
Topdressing nitrogen on wheat allows for improved nitrogen use efficiency over a single nitrogen application at the beginning of the season. Last year’s drought left wheat with a slow start and the question of whether germination occurred in time for vernalization to occur.
Some reason for optimism was brought by rainfall on March 15. Since that time wheat has progressed from mostly non-emerged to several leaves and in some cases near a closed canopy. With this being noted jointing is now near.
Topdress nitrogen application should be complete before jointing occurs. Currently, if y...