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Little River, TX | Urea is a funny duck. Roughly 99.99% of he nitrogen will stay right where you put it, until a rain, as long as the ground is dry and the material is in direct contact with the soil. The more concentrated the material the less likely the nitrogen in urea will be acted upon and revert to a gaseous nitrogen.
I understand a high pH creates some problems, but I have not noticed my 8 pH soil having any more or less of a problem than the low 6 high 5 pHs of East Texas.
How you manage your local situation will effect both your realized losses &/or perceived losses of nitrogen.
When top dressing nitrogen I like to use some form of a surface banding system,
When fertilizing a hay meadow, have the hay tested for protein and look at the amount applied and the amount removed.
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Nitrogen fertilizer question
