Jethro_uk writes:

On Wed, 10 Jul 2013 02:46:01 -0700, fred wrote:

On Tuesday, July 9, 2013 7:38:04 PM UTC+1, Phil L wrote:
Dave Baker wrote:

Any good for patios and driveways or is it useless? At 30p a kilo

from Tesco for the value stuff it's a damn sight cheaper than

anything else I can find. I used to use sodium chlorate when you

could still buy it although the weeds always came back next year.



Failing that what's the best way to deal with weeds in A) block

paviour patio and B) gravel covered driveway?



it does kill weeds but it has drawbacks.

It leaves white deposits which will walk into the house.

It kills other plants, some of wich may not belong to you.

It makes pointing or re-pointing difficult as salt has an adverse
effect on

(wet) cement.

It also is corrosive to steel and iron.

It's not good for garden wildlife

ISTR when the Romans finally defeated Carthage they sowed their fields
with salt to make them poor for agricultre

As did William the ******* in the 11th century ...

http://en.wikipedia.org/wiki/Harrying_of_the_north

That sounds only too similar to what goes on today (though of course in
other parts of the world).



--
Windmill, Use t m i l l
J.R.R. Tolkien:- @ S c o t s h o m e . c o m
All that is gold does not glister / Not all who wander are lost