My new polytunnel will replace 4 4ft by 8ft raised beds that’s 4*4*8 = 4*32= 128 square feet of growing area.
The poly tunnel is 10ft*20ft so covers 200 square feet. Taking into account a 2ft wide path way down the middle of the polytunnel 2*20ft = 40 square feet that in theory leaves 200 sq [...]