"It is recommended that you replace the book after two years of use"--Title page verso. Some of the charts are from 2009, color charts are 2013 production.

"The collection of charts generally used with soils is a modified version of the collection appearing in the Munsell book of color and includes only that portion needed for soils, about one-fifth of ...

We can all imagine what healthy soil looks like: Rich, crumbly, and dark brown, bursting with nutrients and ready to house your greenest veggies, most succulent fruits, and prettiest flowers. But ...

COLUMBIA, Mo. – A University of Missouri doctoral student has developed a technique that uses digital imaging of soil samples to take some of the guesswork out of wetland identification. Identifying ...