"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. siris_sil_1029690 ...
"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 ...
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