<p>
	This looks like a good N, time-series, background activity for the teachers and students working on the N project:</p>
<p>
	<a href="http://tiee.ecoed.net/vol/v4/issues/data_sets/nitrogen_additions/overview.html">http://tiee.ecoed.net/vol/v4/issues/data_sets/nitrogen_additions/overview.html</a></p>
<p>
	I am wondering if we can get a similar set from Bear Brook?</p>
