To: North American Fruit Explorers <nafex@lists.ibiblio.org>
Subject: [NAFEX] "nutrient pump role"
Date: Tue, 17 Mar 2009 18:10:13 -0500
Doug, you referred to the "nutrient pump role" of poplar and box elder.
Could you speak more about this? Do these trees cycle nutrients into
the soil for other plants?