Disadvantages
- Some weed seeds (such as those of Bermuda grass and species of bindweed) may persist under the barrier and within the soil seed bank.
- Slug populations may increase during the early stages of decomposition. However they can be kept away or harvested.
- The system may need a constant supply of organic material, at least during the early stages.
- Roaming animals may interrupt the sheet mulching process.
Read more about this topic: Sheet Mulching