From jxl161@email.psu.eduMon Mar 27 21:33:10 1995 Date: Mon, 27 Mar 1995 09:38:28 -0500 From: Jeannie Leggett To: sanet-mg@ces.ncsu.edu Subject: Re: Another Question re Soil Quality At 10:30 PM 3/24/95 -0800, Charles Benbrook wrote: >I have a basic question. Is the amount of carbon in the >world fixed? Do humans simple move it around by what they do with >biomass and soils? How is carbon different from nitrogen? > > I suggest that you read a basic book on soil microbiology, such as "Introduction to Soil Microbiology" by Martin Alexander. It has a chapter on the carbon cycle and a chapter on the nitrogen cycle, as well as an overview of the soil environment. It is basic enough to understand with little or no biology background. Good Luck. Jeannie Leggett 246 Agricultural Engineering Building The Pennsylvania State University University Park, PA 16802 (814) 863-7710 FAX (814)863-1031