Hello, I am wondering if any of you have amended your dirt before landscaping a new construction lot? I'm talking about adding phosphorus, maybe chelated iron, microhizal fungi, ammonium sulphate, etc. I had a soil test done and I'm high in nitrogen and potassium but very low on phosphorus and my pH is 7.7. Our lot right now is just plain fill dirt brought in by the builder for grading. We are going to be finishing our landscaping this summer. I'm planning on doing about 50% kentucky bluegrass (lawn), and the rest a small fruit orchard, raspberries, vegetable garden, various trees and perennials. I'm definity adding several tons of compost, so I know that will help but I'm more wondering about the other stuff. I've heard contradicting answers and wondering if any of you have an opinion or experience of this?
