Do I need a pk booster?

Well I learnt lots out of this jem all makes sense to me good information. I'm glad to be a vegetable gardener first and be able to read plants by looking at them and the soil . If there healthy I don't feel the need to push them hard . If you do just add a little bit and see how it goes, you can add more if it likes it but it's impossible to take it away.
 
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