I'm not sure if this is exactly what your are loking for, but Deb Neher has
looked at medium- and long-term perenial systems and annual systems, and the
effects on microbial biomass and nematode communities. These are definitely
non-crop!
Neher, D.A., and Campbell, C.L. 1994. Nematode communities and microbial
biomass in soils with annual and perenial crops. Applied Soil Ecology
1:17-28.
-- Russ Bulluck Ph.D. Candidate Department of Plant Pathology North Carolina State University PO Box 7616 Raleigh, NC 27695-7616http://www.cals.ncsu.edu/plantpath/Personnel/Students/webpage.htm
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The soil population is so complex that it manifestly cannot be dealt with as a whole with any detail by any one person, and at the same time it plays so important a part in the soil economy that it must be studied. --Sir E. John Russell The Micro-organisms of the Soil, 1923 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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