I did a few quick searches in the various forums and didn't get much back on this here. maybe I didn't use the right key words?
I live on the base of a mountain. Very tall
trees and somewhat sloped
land. My only option for a sun garden was on the lower half of my drain field. The drain field as a whole is maybe 80 feet by 50 feet, with 7 runs. I know this as my
yard is terraced by the lines. My raised beds cover 3 lines. I want to expand my garden and start putting in rows. Which would of
course need to be directly on top of the drain field. I would grow various crops on the rows, such as kale, beans and squash.
I have seen multiple opinions regarding the placement of my raised beds. On other forums, most of which are positive. In summary the other forums say this: You may cause issues with your drain field by not allowing it to breathe. Be careful of
root crops. If a drain field is working properly, there are no concerns as the above soil filter out the pathogens. I made a mention of my setup in a different forum and it was mentioned by Paul that it is a no no. I can not see why this would be an issue. We are very particular of what goes down the drains. I could possibly see too much N as a result though..
One other key part is I have a grind and pump system so the material sits in a tank is put through a grinder and fills to a point before it is pumped out to the lines.
No one at my house takes prescriptions, so uptake of pharmies by my plants is not an issue.
thanks,