NH3 (anhydrous amonia) is a gas out in the open, compresses to a liquid in the big white tanks - similar to LP gas that was, both a lquid and a gas as we use it - and is a nitrogen fertilier, very concentrated.
The good thing is it's just nitrogen gas, like most of our air is, nothing much to it.
The bad part is, when concentrated like that, it is starved for water, and will seek out water very badly. It will burn your skin, eyes, lungs if you get into it when it is a freshly released cloud. Dangerous at that point, very dangerous. Once it mixes with the air and finds enough water, then it reverts to being a totally harmless portion of the air.....
Cheapest form of N there is, corn and other grasses need alot of N for good growth and yield. It's common to put near 200 lbs of N on good corn ground.
I've done a fair amount of sidedressing with it, like to put it on in spring before planting, last 2 years I had the coop put on granular in spring with the P & K.
I think getting some N on before or with the planter, and putting most of the N on as sidedressing NH3 is the most cost effective, but - time and money, one makes compromises. :)
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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