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advantage of 28 or 32 over granular fertilizer
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Hay Wilson in TX
Posted 11/16/2008 15:13 (#508313 - in reply to #507777)
Subject: RE: advantage of 28 or 32 over granular fertilizer



Little River, TX
Tom,
The only difference is the cost per pound of nitrogen.

Have a neighbor who at one time was in Oklahoma Extension and he traveled that state surface applying liquid & dry nitrogen sources and measured the differences.
Short answer is, ergonomically there is no difference. Not if applied before a wet spell rather than the usual getting in a sweat to put out fertilizer after a good rain. Apply 32, Urea, or Ammonium Nitrate when the ground is dry and there just is no measurable production difference, in bermudagrass.
John says if you want to get urea valorization you need to do it in a green house where you can get and maintain the temperature and moisture conditions needed for Urea Valorization.

Ammonium Sulfate is another that some here mix with Urea for the sulfur. I like 21-0-0 for turf grasses, as I apply enough to make the ground look like it has snowed. Something you might not feel as being appropriate in your soil and climate.

Edited by Hay Wilson in TX 11/16/2008 15:14
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