That seems about right from my experience as well... So we need to consider that even under the best conditions, we shouldn't expect the fertilizer put down at Thanksgiving time to even be available until sometime in Dec...
Some forms of N require the aid of microbes to become readily available and how much have they slowed down by mid-December??? How much can the plants still utilize by mid-December???
Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage,,, I wonder what does...