[USMA:52985] Si and Agriculture examples

[i...@metricrules.org]

> Hello Everyone:
> I am writing an article about the benefits of using SI units in Agriculture. 
> I need concrete, real world examples of easy calculations such water needed 
> per square meter or any other interesting, persuasive examples.
> I know I have seen many examples associated with different topics.
> Many thanks, 
> Bridget