The amount you put as seen on your pics looks fairly alright by me by just eyeballing it Parameter. About the same amount on the outer perimeter as well, and then I think you would be golden just like it is.
That coal that you find from public places is also good to use. It's bio char in essence, and it neutralizes the soil's PH very well in your favor. Please use it, as it will buffer some little fuck ups, and makes the chalk release more stable.
That coal that you find from public places is also good to use. It's bio char in essence, and it neutralizes the soil's PH very well in your favor. Please use it, as it will buffer some little fuck ups, and makes the chalk release more stable.