In most cases, the topsoil is either too sandy or too clay. You’ll most likely need to amend it to make it more nutritious and improve drainage and moisture retention.
This substance contains all the nutrients, but its texture may not be the best for your plants. Your soil still needs to include sand or clay to be complete.
Seeds require specific conditions to germinate. The texture of the soil must be adjusted because seeds can’t germinate if there’s too much or not enough moisture.