Scientists classify soil based on factors such as mineral content, texture, drainage capacity, and fertility. Globally, the 7 most common types of soil form the basis of farming and ecosystem balance: ...
The Bureau of Reclamation will host its 2012 Earth School: Visual Identification of Soils and Introduction to Geotechnical Investigation March 6 – 8. Participants will learn about techniques used to ...
December seems to be a month of celebration – holidays, parties and family gatherings abound. Celebrations can bind us together and give humans a common purpose. There is a little-known celebration on ...