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IA/MN/WI | Beans critical uptake window for macro nutrients is after R3. Macro nutrients won't provide much bang for your buck right now unless you have ground with poor fertility like sand. You are much better off spending $10 on a foliar feed at R1 with fungicide and pay for another late foliar pass at R3-R4. Works well if you have to make a late bug pass to throw in something like Smart KB or Nutriboost NKBS. If you are going to do anything now run something with your herbicide with a solid shot of Micros in it, Moly is critical for nodule formation, Boron is critical for flower retention, zinc, iron, and manganese for chlorophyll and sugar production. Just make sure it is a quality product, many micro products out there aren't high enough quality to be mobile in the plant. | |
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AMS timing on soybeans
