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"Anhydrous Ammonia and the connection to Nitrous Oxide.
Super saturated soils and water.

Cows gain better when there is miniscule nitrous oxide emission."

WHERE IS METHANE COMING FROM?

Studies of the isotopic signature (carbon dating) of methane building up in the atmosphere suggest that it has a variety of sources.
Most of the increase in emissions seems to be biological, rather than having been released from below Earth's surface during the extraction of fossil fuels.

Scientists raise alarm over ‘dangerously fast’ growth in atmospheric methane
https://www.nature.com/articles/d41586-022-00312-2

How to look for Nitrous Oxide with sensors proposed and available?
The hot spot of Nitrous Oxide might follow methane concentrations in wet areas and anaerobic production.  
The Rosetta Stone of Nitrous Oxide is Methane concentration.
The massive land mass of Nitrous Oxide is east of North Platte Nebraska to Ohio and Ontario. From Manitoba to Gulf of Mexico.  
Luck helps but a scientific endeavor will find the management problem.  

1. Wetlands, Fertilizer Runoff. Highly Likely.  Maybe 20 to 100 times greater than nominal due to fertilizer runoff of NPKS.  Lake Erie, Gulf of Mexico.  
2. Fossil Fuel Extraction, Not Likely.
3. Livestock, Likely at Lagoons, Fogging Systems and large manure piles that are not aerated.  Maybe and maybe not…since it is aerobic process in some
    cases. The loss depends on how the manure is handled.  
4. Landfills and Ag Waste, Highly Likely since it is an anaerobic system. Maybe 20 to 100 times greater than nominal.
5. Natural Seeps Geological Release. Not Likely.
6. Rice Cultivation, Highly Likely. Rice is an anaerobic system with top dress Urea, loaded with CO2 or Ammonium Chloride which is loaded with 
    chloride. Maybe 100 to 1000 times greater than nominal depending on the fertilizer choice and the timing of it.
7. Burning of Plant Matter, Not Likely
8. Termites and other wild animals. Not Likely.

• Manure Processing forming composted materials including Lime to supercharge bacterial growth.
• Keeping up an anaerobic digestion on the land is highly probable.

Management is the problem, Not the necessarily the chemical complex of Nitrous Ammonias.

22 second video
Click on image to see video
You can feed cows and calves Zero Carbon, Ammonia in real time at much reduced rates of NPKS.  

Time to conserve, Stop the top dressing of commercial fertilizer.  

Fertilizer needs a protective shield of TAPPKTS plus Zinc….with a powerful deep banding to 7 to 8 inches in the soil.

Getting the Oligarchs out of fertilizer business will return ammonia to $100 to $300 and locally built.  

Your own fertilizer factory, Locally Built Green Play Ammonia. Wind and Solar Energy, Exponential Growth, Milestone Moments - Broadcast 12_07_2021 (exactrix.com)

The massive landmass  east of North Platte, Nebraska to Ohio and Ontario and from Manitoba to the Gulf of Mexico are prime candidates for Nitrous Oxide emission. Luck helps, but scientific endeavors will help identify problems and develop management solutions.

Note 1, In high organic content soils, Nitrate (NO3) must be present in the soil or water to promote formation of Nitrous Oxide.  Guy - nitrate is required for nitrous oxide emissions, but is more likely in high organic matter soils or those with poor drainage  

Note 2, The bacteria Nitrous Ammonias is key to building up N2O, Nitrous Oxide, or Laughing Gas in anaerobic (low oxygen) flooded conditions. Guy - soils don't have to be flooded to promote nitrous oxide emissions. All it takes is a source of soluble carbon as an energy source for the bugs, warm temperatures, and a source of oxygen (nitrate). Water-logged soils have been reported to start emitting nitrous oxide after 8-24 hours depending on soil texture.

Note 3, Methane has been determined to be about 28 times more detrimental to the environment than CO2  (some reports are higher)

Note 4. Nitrous Oxide is 265 to 300 times more detrimental than CO2. 

Note 5, The Bovine Belch (methane emission) may not be as significant as contended relative to past times when buffalo and other animals roamed the plains and horses were used for transportation and in farming operations.

 40 to 60 million Buffalo at 2,000 lbs., Elk at 1,000 lbs., Horses for transportation, Work Horses and War horses, Mules, Bears, Caribou, Moose, and in the last 10,000 years, Mammoth at 8,000 to 12,000 lbs., Dire Wolves and Saber Tooth Tigers.  Maybe the real problem is too many humans trying to keep warm in a high protein, high testosterone, high CO2, distributed food system. A system that seems similar to the American Indian other than distribution over an interstate system.  

Supporting News on Methane as reported Feb. 9, 2022. To Counter Global Warming, Focus Far More on Methane, a New Study Recommends - Inside Climate News 

https://insideclimatenews.org/news/09022022/methane-global-warming-study/
Note 6, Why Urea as top dressed fertilizer is a good indicator of Nitrous Oxide Emissions.

Table 1 Cumulated nitrous oxide, carbon dioxide and methane emissions from Red Latosol soil during 278 days after application
 of urea with or without nitrification inhibitors (DCD and DMPP), polymer sulphur coated urea (PSCU) and calcium nitrate
 applied to sugarcane. (nature.com)

Table 1 Cumulated nitrous oxide, carbon dioxide and methane emissions from Red Latosol soil during 278 days after application
of urea with or without nitrification inhibitors (DCD and DMPP), polymer sulphur coated urea (PSCU) and calcium nitrate applied to sugarcane.

From: Nitrous oxide emission related to ammonia-oxidizing bacteria and mitigation options from N fertilization in a tropical soil

1.     ^*Tukey test, p ≤ 0.05; ns: no significant; N₂O-N: g ha⁻¹ transformed in log(X)

2.     ^†Results from treatment without N were subtracted for this calculation. —R means reapplication of inhibitors in the same plot in the two preceding years. Different characteristics in the column of N₂O mean significant differences (p < 0.05) between the values.

 Your Great Plains Reporter.  

Guy J Swanson
Exactrix Global Systems
4501 East Trent Avenue
Spokane, Washington.
99212
509-535-9925 office.
509-995-1879 cell.

exactrix@exactrix.com