Carrots infested by Carrot Root Fly - Photo from 2010
The manufacturer's website describes Enviromesh like this:-
"Enviromesh is a fine mesh netting, woven from U.V. stabilised polyethylene. The mesh size is 1.35mm. The weight is around 55g/m2, light passage 90% and air passage 75%. The material is very durable. In tests, it showed no deterioration after continuous exposure for a period of 60 months. In practice, Enviromesh has lasted a period of more than 10 years."
Having seen the results of using this material, I shall be using it for the foreseeable future!
These are my maincrop carrots, duly protected:
There are three rows of carrots under there, as well as one row of beetroot.
And these are my little "cocktail carrots", growing as usual in a raised wooden planter outside our kitchen window. The actual carrots are in two plastic crates filled with compost.
I have used a small offcut of Enviromesh, supported by six metal rods topped with cane-toppers.
This will give enough height for the carrot leaves to grow unhindered.
The mesh is secured to the wooden planter with some drawing-pins.
All the carrot foliage looks good so far, but of course it is too early for any significant roots, though with all this protection I'm quietly confident... (famous last words).