Soybean Properties #114157 - Ask Extension


Soybean Properties #114157

Asked February 08, 2013, 3:42 PM EST

1)  At what temperature does a soybean spontaneously combust?

2)  At what temperature does a soybean begin to break down or sweat the black oil?

Clay County Iowa

Expert Response

I am assuming that you are referring to soybeans in storage in a steel bin - so If soybeans in storage were above the recommended storage moisture content of 13% - and were not cooled with aeration to ~35 degrees F - microorganisims in the grain would reproduce and create heat.  If that situation was left unchecked - meaning no aeration was used to cool the grain - it could get hot enough for combustion to occur. 

i am not familiar with 'sweat the black oil' term.  i am assuming that the above paragraph might explain that situation also.
Paul Kassel Replied April 06, 2013, 8:40 AM EDT

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