Applied-Energistics-2/src/main/resources/data/appliedenergistics2/recipes/grinder/bonemeal.json

{
  "type": "appliedenergistics2:grinder",
  "input": {
    "item": "minecraft:bone"
  },
  "result": {
    "primary": {
      "item": "minecraft:bone_meal",
      "count": 4
    }
  },
  "turns": 8
}