Other chickens walk around the bale browsing around the edges of the bale, and eating the alfalfa flakes that get scratched off onto the ground by the upper chickens. Alfalfa is a very nutritious food crop. Alfalfa sends it's roots deep into the soil.
Soil or Waste Stacks. A soil or waste stack (normally just called a stack) is a drainage pipe that passes through at least one story(floor to ceiling) as a drain pipe, this also includes any horizontal offsets. Every soil or waste stack will terminate in a stack vent that leads to outside air or a vent header.
There are many differences between a vent stack and stack vents. To make sure youâre up to code, our Tampa plumbing experts have outlined these differences and the requirements that are essential to meet with each. A vent stack does not carry waste and is only a stack for venting. A vent stack is required for every five brand intervals or more.