• 29 minutes

Basic Soil Science


Soil vs. dirt – do you know the difference?

Soil is a living entity. Dirt is often considered as soil in the wrong place or material to be used for engineering purposes. Soil or topsoil is biological and supports hydrological and ecological functions. This video provides an introduction to soil science and the elements of soil formation and how time and climate can affect soil.

Runtime: 28 minutes



Randy L. Davis

Randy L. Davis

KD Yellow Rose Ranch

  • Senior soil scientist and partner, KD Yellow Rose Ranch
  • Expertise includes soil science, watershed stabilization and management, soil management and conservation, ecological restoration, forest management, rangeland management, wildfire area restoration and stabilization, and soil/ecological inventory
  • Marquis Who's Who in America, 2005 to present
  • Revised the National Soil Management Policy for the USDA Forest Service, 2011
  • Publications include Wildland Forest Soil Carbon Management, 2011; co-wrote: Soil Resource Inventory of the Bridger National Forest, Western Unit, Wyoming, 1991; and co-wrote: Soil Resource Inventory of the Hiawatha National Forest, Eastern Unit, Parts of Chippewa and Mackinac Counties, Michigan, 1984
  • B.S. degree in soils and plant nutrition, University of California, Berkeley; A.A. degree in botany, Yuba Community College

All of your training, right here at Lorman.

Pay once and get a full year of unlimited training in any format, any time!

  • Live Webinars
  • OnDemand Webinars
  • MP3 Downloads
  • Course Manuals
  • Audio Recordings*
  • Executive Reports
  • White Papers and Articles
  • Sponsored Live Webinars

Additional benefits include:

  • State Specific Credit Tracker
  • Members Only Newsletter
  • All-Access Pass Course Concierge

* For audio recordings you only pay shipping

Questions? Call 877-296-2169 to speak with a real person.

Sign Up Today

Access to all training products $699/year

Unlimited Lorman Training

With the All-Access Pass there is no guessing what you will need for your yearly training budget. $699 will cover all of your training needs for an entire year!

Easy Registrations

Once you purchase your All-Access Pass you will never be any further than one-click away from attending any Lorman training course.

Invest in Yourself

You haven't gotten to where you are professionally by luck alone; it's taken a lot of hard work and training. Invest in yourself with the All-Access Pass.