best way to handle run off ？

[JASONBROTHER]

 

[JSH1973]

Nice one, where did you find those and how much are they?
Personally I'm using this (pic) now but one of those would be handy for when wanting to measure run-off, LST, defoliation etc..

 

[JASONBROTHER]

Nice one, where did you find those and how much are they?
Personally I'm using this (pic) now but one of those would be handy for when wanting to measure run-off, LST, defoliation etc..

Around 20 RMB/ per one （2.99 USD）

 

[JSH1973]

Around 20 RMB/ per one （2.99 USD）

Any chance you could post a link to where to buy?