Very good!
That's what NPK is, it's really basic to understand what's in your soil:
https://www.thespruce.com/what-does-npk-mean-for-a-fertilizer-2131094
Very good!
That's what NPK is, it's really basic to understand what's in your soil:
https://www.thespruce.com/what-does-npk-mean-for-a-fertilizer-2131094