I wouldn't even use it for tomatoes; too much nitrogen
Comfrey is 1.8/ 0.5/ 8.3, which is ideal, especially with added seaweed
Dig in 3kg seaweed psqyd
Just chop & drop the comfrey, & as it rots down, you water it in.
Not just the best NPK levels but magnesium/ calcium/ sulphur & a host of other micronutrients for added flavour.
I'm fortunate inasmuch as I have as much of both as I can use.
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