All about OM246 testing for soil organic material

There's a new video that shows a lot of information about the OM246 total organic materal test in only 7 minutes and 33 seconds.

Video: Total organic material testing as a four step procedure

There's nothing new in the video, unless you are unfamiliar with the test. What there is, however, is an explanation of:

- why one would do this test - sampling procedure as the first step - lab procedure as the second part of the test, and…