columbia mo and Howard County MO 39° 0'49.28"N 92°39'13.74"W
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"just out of College running a fertilizer plant" Bill, This thread is taking on a life of its own... so, another question, Does anhydrous warm up the soil? Corn is being planted earlier and earlier around us and is surviving frost. Whats up with that?
I also have an idea for your retirement... getting paid for "free advice"
If there is water in the soil Nh3 (Anhydrous Ammonia) will warm the soil. Stick an Nh3 hose in a water tank and turn it loose. The water warms right up with the chemical reaction. Corn will survive frost until the growing point leaves the ground. Until the 3rd or 4th leaf is out, the growing point is still in the ground. What will affect it more than frost is a hard freeze. That might kill the growing point. Also, sometimes a frost will cause the upper leaves to twist and hold together, and the growing point might not be able to push through the twisted area, eventually causing weird looking plants. Some of them will grow side ways trying to escape those bundles that are twisted and finally dying because they are unable to grow further.
My wife thinks I should get paid for all the free advice I have given on NewAgTalk.com over the last 15-20 years. It is an Ag chat site.
I have never seen pine trees here burned by herbicide, But salt spray from the roads in winter will wreck 'em pretty good.
Yeah I have one by the road that takes a beating if we have a hard winter and lots of salt is used. The others are far away from the road. Most years that it happens they are spraying after the crops are up. In my neck of the woods, (or field) calm days are few and far between. The spray can blow across my property.
A couple of times I had to stop mowing the lawn because I couldn't breathe.
We have been told in training over and over not to spray in the wind or during rapid temperature changes [risk of inversion] but some farmers don't f$%%in' listen. They will ruin it for everyone, mark my words. A Dutch neighbor [RIP] used to say, "if you can't smell your farts, it's too windy."
There is a local company that does most of the spraying in my area. The facility is about 3/4 mile down the road from me. Since they are "for hire", I'm sure the care isn't taken as it would if they were dealing with their own land and neighbors.