The R3/R4 Fungicide Application: Reconsidering the Practice from Large-plot Strip Trial Data
Once again we’ve reached mid-season in the soybean crop. Over the past several days there have been lots of calls seeking clarification regarding the R3/R4 foliar fungicide application in soybean. The current blog post presents data from non-replicated, large plot strip trials conducted between 2018 and 2023 to determine the response of soybean to foliar fungicide application made automatically.


