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.
We have two waste stacks in our house. One is used as a main stack for solid waste (serving two full baths and a powder room), while the other was used for kitchen sink and laundry sink.During renovation they cut out the vent for the secondary stack (the one that serves kitchen and old laundry sink).e have two waste stacks in our house. One is used as a main stack for solid waste (serving two full baths and a powder room), while the other was used for kitchen sink and laundry sink.