How much fertilizer does my garden need?

How much fertilizer does my garden need?

Tracy DiSabato-Aust (Garden Designer and Author) gives expert video advice on: What is 'fertilizer'?; What is the difference between fertilizer and soil amendment?; What are the primary nutrients that plants need to grow? and more...

I don't like to give blanket recommendations on that. It's usually best to test the soil, but a good general rule of thumb is 2 pounds of superphosphate and 2 pounds of a 5-10-5 per hundred square feet.