The Mānuka Charitable Trust is working to trademark the word mānuka in international markets.
It's well above Fonterra's target.
The global seaweed sector was estimated to be worth nearly $NZ20.5 billion.
The new rules placing a fee on high-emitting vehicles such as utes are "the straw that's broken the camel's back", farmers say.
The Minister for the Environment won't be heading along to the Groundswell protest.
Events will be staged in more than 50 towns and cities.
"We're not doing this to upset urban people at all - we hope they join us!"
Clarkson claims Kiwi-farmed animals don't live happy lives and UK farmers treat their stock better.
"Forcing things on people that they haven't been consulted on [is] causing a lot of anxiety and a lot of stress and tensions in the rural sector."