[NAFEX] Wood Chips

Michael Dossett phainopepla at yahoo.com
Thu Nov 15 12:14:47 EST 2007


----- Original Message ----
From: Jim Fruth <jfruth at tds.net>
To: NAFEX <nafex at lists.ibiblio.org>
Sent: Thursday, November 15, 2007 7:41:07 AM
Subject: [NAFEX] Wood Chips

<snip>

Plants can't use ammonium but bacteria
 will 

convert it to nitrate, the form of nitrogen plants can use but the
 plants 

won't get it until the bacteria release it. 

<snip>

Actually, that is incorrect.  Plants can take up both the nitrate and ammonium forms of nitrogen.  They cannot, however, take up the nitrite form of nitrogen.  Some plants, such as blueberries (and I believe some other members of the ericaceae) can ONLY use nitrogen taken up as urea or in the ammonium form and not the nitrate form.  Thus Calcium Nitrate may be a great fertilizer for your strawberries but will not help your blueberries at all.  Blueberries need nitrogen provided in the form of ammonium or urea and it's uptake by the plant is independant of any bacterial action converting the nitrogen to nitrate.
 
Michael Dossett
Corvallis, Oregon
www.Mdossettphoto.com
phainopepla at yahoo.com







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