Colleagues:

I am searching for a reliable soil analytical lab that will do the following at a reasonable price:

basic macronutrients (total N, P, K, Ca, Mg) and organic content (C)
moisture potential or estimated water holding capacity
physical texture (clay/silt/sand)

There are other variables that we want (eg, pH, cation exchange capacity, bulk density), but for the above essentials, does anyone know of a lab that will do a package for less than ~ $20 per sample? A&L labs is my current best candidate but they do not combine physical and chemical tests into a package, and thus their 'a la carte' price is higher than I'd like. There are many other labs out there-does anyone know of a good one to recommend?

Thanks,

Dan Gruner




Daniel S. Gruner, Assistant Professor
Department of Entomology
4112 Plant Sciences Bldg
University of Maryland
College Park, MD 20742 U.S.A.
(o) 301-405-3957  (f) 301-314-9290
[EMAIL PROTECTED]

http://entmcv.umd.edu/?name=dsgruner

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