Chris,
The books are as follows
Weeds Control without poisons - Charles Walters. This has a lot of examples but there are some that we have in australia that I haven't been able to match up in the book. Doesn't talk about nitrate nitrogen from what I can see.
Science in Agriculture - Dr Arden B. Andersen. Has some good examples
Shane
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Received on Tue Aug 05 2003 - 11:30:28 EDT
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