Updated April 29, 2020:
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The key results of the trial were:
1. ILeVO increased yield in the Missouri trials. On sites with SDS there was a 50% chance of a response of 3.9 bushels per acre or more. On sites with no SDS, there was a 50% chance of a response of two bushels per acre or more.
2. There was evidence that the high ILeVO rate reduced the SCN reproductive factor; the effect of ILeVO was greater at locations with higher SCN reproduction.
3. In Iowa, there was no evidence that ILeVO increased yields on fields with SDS and the potential response on other fields was less than on Missouri fields.
This on-farm research documents the importance of testing management practices locally.