Here is a list of books or websites that I have used for research. If you are interested in learning more, check them out.
Plaster, Edward J.
Soil Science & Management. 4th Ed. Clifton Park: Delmar Learning. 2003
The 5th Edition was published in 2008, and is available on
Amazon.
Dirr, Michael A.
Manual of Woody Landscape Plants. 5th Ed. Illinois: Stipes Publishing. 1998.
A 6th Editon was published in 2009, and is available from
Amazon.
