It would be illuminating to have the same requirement for ALL fertilizers
and soil amendments, including those applied with approval for organic
production. The distinctions begin to grey when the information is available.
Knowledge is power; a little knowledge can be dangerous... or at least
misleading.
R. H. (Dick) Richardson (512) 471-4128 office
Zoology Dept. 471-9651 FAX
University of Texas
Austin, TX 78712