New technology is being developed all the time to mitigate porcine pungency. Even the fussiest neighbors would be quite surprised at the advances. Today, manure spreaders for farm fields can inject the manure into the soil and scrape a thin cover over it. The valuable nitrogen stays in the ground to encourage plant growth, instead of venting into the air. An hour after the application a person walking in the field smells only the newly turned earth.
Engineering can build earth dams and multi-stage lagoons that help control odor.
So much so, in fact, that a Georgia farmer recently built a new house, and swimming pool, just 200 yards from his hogs. The new lagoons can also incorporate such industrial crops as duckweed. Duckweed is an aquatic plant that grows wild all over the world. It can float on the surface of a hog lagoon and form a sort of living green carpet that seals off the odor. It also converts the nutrients of the manure into lush fodder for cattle and hogs.