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Rolla, ND | I believe a lot of dead innoculant is sold. Normally, most says go on ground that you could never tell so the companies don't get many complaints overall. If you have problems they complain that you didn't do things their instructions don't even suggest. Double treating for instance.
We had big problems with all the new soybean ground here until the companies got worked over pretty good and suddenly our innoculant is good and they must send the bad stuff other places.
If you grow wheat before the beans, inoculate the wheat, you will get better modulation. Still inoculate the beans, but if you did the wheat you won't just have nodules right by the main stem.
The other thing that can happen is too much nitrogen, giving lot's of early growth and very little modulation. Then the field runs out right about podding time. You'd need a deep N test to know that. | |
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Soybeans not fixing nitrogen
