Q.Please Give Examples Of “nitrate Nitrogen” Fertilizer, As Well As “ammonia Rich Nitrogen Fertilizer”. You Mention These In
combatting banana peppers that turn brown. Also the peppers turn red or Orange while still very small.

Certified GKH Gardening Expert
Nitrate nitrogens are composed of nitrates, where ammonia rich nitrogen sources are rich in ammonia. Both are sources of nitrogen, and most fertilizers contain both as ammonium nitrate.
With plants such as blueberries, it is important to distinguish among the types of nitrogen, since blueberries cannot handle nitrates. In this case, ammonium sulfate will provide nitrogen in the form of ammonia, rather than nitrates.
Most, cheap, fertilizeres are going to feature ammonium nitrate. Thus, may not be suitable for some plants.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/ammonium-nitrate-fertilizer.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/raise-acid-level-soil.htm
https://www.gardeningknowhow.com/edible/fruits/blueberries/blueberry-fertilizer.htm