Complex sentence: Digging can also damage soil structure and cause problems like compaction, can disturb and damage balances amongst soil life and by exposure to the air, tends to burn up nutrients which then need to be replenished.
Split into simpler sentences: Digging can also damage soil structure, cause problems like compaction, and disturb and damage balances amongst soil life. Also, by exposure to the air, digging tends to burn up nutrients which then need to be replenished.