The dairy crew is still putting on manure.
This is a tillage tool called a Gen-Till. It pokes holes in the ground (at the left) so the manure being applied (on the right) will soak into the ground faster.
Manure is applied at 1000 to 1500 gallons per minute.
The black hose in the front is called the supply hose. The orange one nearer the tractor is a very heavy drag hose designed to be pulled by the Gen-Till.
This is the pump that is pumping the manure out of the 15 million gallon lagoon at 200 pounds per square inch of pressure in the supply hose. With a booster pump manure can be pumped three miles to the fields.
Here’s the 15 million gallon lagoon of manure.
Great pictures and explanations!