Re: alfalfa for N scavenging

Frederick R. Magdoff (fmagdoff@zoo.uvm.edu)
Thu, 5 Nov 1998 11:00:49 -0500 (EST)

Ann,
If they're only concerned with a future potential problem, and the
nitrate is not in the subsoil already, then grasses are as good as
anything for keeping nitrate levels low. The only way to have high nitrate
levels under grass is to pour on N fertilizers or manures.

FRED

*******************************************************************************
Fred Magdoff
Northeast Region SARE Program
Hills Building
University of Vermont
Burlington, VT 05405
tel:802-656-0472
fax:802-656-4656
******************************************************************************

On Thu, 5 Nov 1998, E. Ann Clark, Associate Professor wrote:

> Fred: my understanding is that this is not now perceived to be a
> problem. They want to avoid the potential for problems. Ann
>
> ACLARK@plant.uoguelph.ca
> Dr. E. Ann Clark
> Associate Professor
> Crop Science
> University of Guelph
> Guelph, ON N1G 2W1
> Phone: 519-824-4120 Ext. 2508
> FAX: 519 763-8933
> http://www.oac.uoguelph.ca/www/CRSC/faculty/eac.htm
>
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