Walnut Mulch - Heccology/Bountiful-Fares GitHub Wiki
Walnut Mulch is a gravity-affected block created by milling Walnuts. Similarly to Snow, it can be placed in layers, with up to 8 in the same block. It's items can also be crafted into Brown Dye.
4 Walnut Mulch can be crafted into a Walnut Mulch Block, which acts like any other block.
Walnut Mulch can also be fed to Wolves for a special advancement.