by Frank Mil » Wed, 16 Apr 1997 04:00:00
We just received some soil test results. Mostly these were easy
to interpret, but the nitrogen readings were split into NO3 and NH4
values as parts-per-million.
Can anyone suggest suitable values, or some reference (paper or web
site) that could help us interpreting these values?
TIA....
-frank
by DGholst » Thu, 17 Apr 1997 04:00:00
Nitrogen is present in in the soil in two forms: oxidized nitrogen
(nitrate) and reduced form (NH4). Some plants prefer one form over the
other. Just add the two values to give you the nitrogen content of your
soil.
Don Gholston
by Ines Hein » Thu, 17 Apr 1997 04:00:00
> >We just received some soil test results. Mostly these >?were easy to
> interpret, but the nitrogen readings were >split into NO3 and NH4 values
> as parts-per-million.
> Nitrogen is present in in the soil in two forms: oxidized nitrogen
> (nitrate) and reduced form (NH4). Some plants prefer one form over the
> other. Just add the two values to give you the nitrogen content of your
> soil.
> Don Gholston
Ines
by Frank Mil » Thu, 17 Apr 1997 04:00:00
>> >We just received some soil test results. Mostly these >?were easy to
>> interpret, but the nitrogen readings were >split into NO3 and NH4 values
>> as parts-per-million.
>> Nitrogen is present in in the soil in two forms: oxidized nitrogen
>> (nitrate) and reduced form (NH4). Some plants prefer one form over the
>> other. Just add the two values to give you the nitrogen content of your
>> soil.
>> Don Gholston
>To get the percentage nitrogen you take the parts-per-million number and
>divide by 10,000.
>Ines
-frank
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