EC Nebraska | pmartens07 - 9/30/2014 18:15
I'm going to open a can of worms here but I have not seen SDS in any of my fields or my neighbor's fields, we are both organic and have been for 20+ years. Together the farms represent close to 4000 acres and of that 400-500 of soy. Had a little bit of white mold on transitional ground but not enough to be a huge yield factor. We run equal yields to conventional neighbors so its not that our plants are not being pushed for yield.
We run full tillage, moldboard plow, 1-2x secondary so we are getting residue out of the way that may carry fusarium over from the corn crop, but then we tine weed 2x, and cultivate 2x so we throw plenty of soil onto the leaves and stems that could cause inoculation.
correct me if I am completely missing something, just my observations "here"
Tillage is going to help reduce residue borne inoculum, so that helps prevent such diseases from getting established in your fields. As organics, I assume you have some fairly long rotations? I would think that would help the most, by breaking up the disease cycles.
I'd rather fight the SDS than the erosion tillage would cause here. But, here, SDS is not a big problem and erosion is. |