As we do every year, we planted a plot comparing seed treatments on beans to non-treated seed. Over the last 6 years we have compared non-treated to treated over 75 times with a yield advantage to the treated soybeans over 80% of the time. The first set of results is with no starter fertilizer applied in-furrow. The second set of results is with starter fertilizer and an in-furrow product from West Central Chemical.
Here are the results:
Pioneer 91Y10 - Marauder treated - 51.9 bu/a
Pioneer 91Y10 - WECO treated - 51.3 bu/a
Pioneer 91Y10 - MegaPack treated - 53.3 bu/a
Pioneer 91Y10 - 2030/PPST treated- 54.0 bu/a - Best
Pioneer 91Y10 - untreated check - 49.7 bu/a - Worst
Pioneer 91Y10 - WC150 treated - 52.5 bu/a
Again this year, we have had a response to seed treatment. The lowest yield is the untreated check and the highest is the seed treatment that we use at South Valley Seed. It is consistent with our recommendations of using a seed treatment, put it on. The return won't change your lifestyle, but it can enhance it!
These set of results are the same treatments but with a starter fertilizer applied also. The results:
Pioneer 91Y10 - Marauder treated - 51.8 bu/a
Pioneer 91Y10 - WECO treated - 51.2 bu/a
Pioneer 91Y10 - MegaPack treated - 45.3 bu/a
Pioneer 91Y10 - 2030/PPST treated- 54.2 bu/a - Best
Pioneer 91Y10 - untreated check - 51.1 bu/a
Pioneer 91Y10 - WC150 treated - 50.4 bu/a
The only thing that sticks out is that the fertilizer had no effect other than possibly a negative effect on yield for certain treatments. The treatment that we use, PPST, had no negative effect on it at all.
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