There is currently not a lot of information on large grows in the USA, due to illegalization and regulation where it is legal.
Therefore this post is based on estimation using corn plants per acre and the current price of corn per bushel in May, 2010 and the assumed price of 1,000 dollars per pound of marijuana.
To start off we will assume a low estimate on corn: 20,000 plants per acre @ 36 in. (3ft) spacing per row
so for marijuana we will half that number to 10,000 plants per acre @ 72 in. (6 ft) spacing per row
how many bushels per acre of marijuana?
32 lbs per bushel.
16 oz. per pound
no of oz per plant = 1
no. of oz per acre = 8,500
no. of lbs. per acre = 625 lbs.
bushels per acre = 19.53

Just one acre of weed can produce 3.25 million dollars at $375 per oz with 10,000 plants
Even if you reduce the number to 5,000 plants per acre your total would be 1.625 million dollars per acre. So you get the idea that we are dealing with the most profitable cash crop ever.
The going rate per bushel of corn is:
369.75 cents per bushel or 3.70$
Daily change of 6.75 ( 1.86% )
Corn Quote Updated May-12-10 1:38 AM
The going rate per bushel of medical marijuana is:
32 lbs @ 1000 dollars per pound = 32,000 dollars.
fun Facts about corn:
- An average acre of corn yields 100 bushels.
- Starch, sweetner, fuel (ethanol), feed, and corn oil can be extracted from a bushel of corn.
- A bushel of corn will sweeten more than 400 cans of soda or produce 1.5 pounds of corn oil!
- A bushel of corn fed to livestock produces 6 pounds of beef, 13 pounds of pork, 20 pounds of chicken, or 28 pounds of catfish.