[NAFEX] fertilizing pecans in LA

O'Barr, R. D. topgun at otelco.net
Sat Jan 20 00:51:09 EST 2007


We had much better luck with the growers who used ammonium nitrate than with
those who used urea. We recommended the March date for the fertilizer and 3
applications for young trees but none past July 1st to avoid winter damage
which some growers experienced some years.
It was reported that a fall or winter application was just as effective on
old bearing trees as a spring one but why chance losing some of it to
leaching. We like to see at least 1 inch of rain on the fertilizer before
the growth gets too far along.
Topgun
----- Original Message ----- 
From: "Lucky Pittman" <lucky.pittman at murraystate.edu>
To: "North American Fruit Explorers" <nafex at lists.ibiblio.org>
Sent: Friday, January 19, 2007 11:14 AM
Subject: [NAFEX] fertilizing pecans


> At 07:02 PM 1/18/2007, Mark wrote:
> >  About a month ago I used about 2 cups (dry
> >measure) around the tree.  But it didn't rain for quite a while and the
> >crystals seemed to evaporate.  I'm wondering if it did any good?  Also
would
> >it hurt to dose it again this spring.
>
> I'm not certain that December fertilization is going to have been of much
help.
> I routinely fertilize(or try to, if I remember) in late March, early
> May, and early June.
> Have a look at this KSU online pub about pecans in KS -
> http://www.oznet.ksu.edu/library/hort2/mf1025.pdf
> Topgun may weigh in with even better recommendations, &/or an opinion
> on whether urea or ammonium nitrate is a better source of N for nut trees.
>
> LLP
>
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