Temporary Buffs

Hello.

I don't understand what I'm doing wrong, but the buffs I need aren't working for me.

As I understand from the description, I am doing everything correctly, but it doesn't work.

"geologist's flask": {
        "displayName": null,
        "shortname": "halloween.lootbag.large",
        "skinID": 3646162367,
        "effects": [
          {
            "min": 0.5,
            "max": 1,
            "duration": 3600,
            "biomes": null,
            "timeRange": null,
            "source": "Mining_Yield",
            "type": "TemporaryBuff"
          }
        ]
      },
      "arborist's gin": {
        "displayName": null,
        "shortname": "halloween.lootbag.large",
        "skinID": 3646161401,
        "effects": [
          {
            "min": 0.5,
            "max": 1,
            "duration": 3600,
            "biomes": null,
            "timeRange": null,
            "source": "Woodcutting_Yield",
            "type": "TemporaryBuff"
          }
        ]
      },
      "butcher's brew": {
        "displayName": null,
        "shortname": "halloween.lootbag.large",
        "skinID": 3646161464,
        "effects": [
          {
            "min": 0.5,
            "max": 1,
            "duration": 3600,
            "biomes": null,
            "timeRange": null,
            "source": "Skinning_Yield",
            "type": "TemporaryBuff"
          }
        ]
      }