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Scranton | Your local "nitrate specialist" is likely wrong, according to the research. Maybe he has his own agenda.
I will agree that early fall NH3 could be a problem. Anything put on after the soil is below 50 and falling is attached till spring. My own research has shown me that UAN and Urea applied pre plant is gone after a couple big rain events. Anhydrous has always been the most resilient at sticking around. Could be because it is placed in a tight band so a more limited amount of water has to eat away at its edges whereas broadcast urea and liquid have to fight off the entire 27,000 gallons of every inch to not succumb.
It takes almost twice as much urea to equal the same amount of units of N. The research is there regarding calcium and different sources of N. | |
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Anhydrous vs Urea- soil health - short term/long term ?
