Hi, am have searched a for information on what occurs chemically to
NPK fertilizer over time. If I buy 3-4 50# bags of fertilizer and use
one bag a year, will the critical chemical compounds degrade, outgas,
or change? Thanks in advance,

wrote in message
oups.com...
Hi, am have searched a for information on what occurs chemically to
NPK fertilizer over time. If I buy 3-4 50# bags of fertilizer and use
one bag a year, will the critical chemical compounds degrade, outgas,
or change? Thanks in advance,


Provided they are kept quite dry I wouldn't expect there to be any change at
all. If wetted all manner of things could happen.

David

In article
.com,
says...
Hi, am have searched a for information on what occurs chemically to
NPK fertilizer over time. If I buy 3-4 50# bags of fertilizer and use
one bag a year, will the critical chemical compounds degrade, outgas,
or change? Thanks in advance,


Why are you buying three or four years' worth of fertiliser all
at once?

If I were worried about needing a supply that far into the
future, then I would be inclined to start doing "humanure"
composting immediately. Although my main disincentive at the
moment is just space and privacy issues.


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In article .com,
wrote:

Hi, am have searched a for information on what occurs chemically to
NPK fertilizer over time. If I buy 3-4 50# bags of fertilizer and use
one bag a year, will the critical chemical compounds degrade, outgas,
or change? Thanks in advance,

They are fairly stable salts that will maintain their ability to kill
the ecology of you soil. You may as well go hydroponic.
--
FB - FFF

Billy

Get up, stand up, stand up for yor rights.
Get up, stand up, Don't give up the fight.
- Bob Marley

On Sep 20, 6:46 pm, wrote:
Hi, am have searched a for information on what occurs chemically to
NPK fertilizer over time. If I buy 3-4 50# bags of fertilizer and use
one bag a year, will the critical chemical compounds degrade, outgas,
or change? Thanks in advance,

Kept dry they should present no problems but may go lumpy and the sack
may also degrade and burst when you try to lift. Store them in a
plastic trash bag.
A soil test will insure you get the best use of it as well.