LTW3/data/minecraft/loot_tables/blocks/potatoes.json

{
  "type": "minecraft:block",
  "pools": [
    {
      "rolls": 1.0,
      "bonus_rolls": 0.0,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:potato"
        }
      ]
    },
    {
      "rolls": 1.0,
      "bonus_rolls": 0.0,
      "entries": [
        {
          "type": "minecraft:item",
          "functions": [
            {
              "function": "minecraft:apply_bonus",
              "enchantment": "minecraft:fortune",
              "formula": "minecraft:binomial_with_bonus_count",
              "parameters": {
                "extra": 3,
                "probability": 0.5714286
              }
            }
          ],
          "name": "minecraft:potato"
        }
      ],
      "conditions": [
        {
          "condition": "minecraft:block_state_property",
          "block": "minecraft:potatoes",
          "properties": {
            "age": "7"
          }
        }
      ]
    },
    {
      "rolls": 1.0,
      "bonus_rolls": 0.0,
      "entries": [
        {
          "type": "minecraft:item",
          "conditions": [
            {
              "condition": "minecraft:random_chance",
              "chance": 0.02
            }
          ],
          "name": "minecraft:poisonous_potato"
        }
      ],
      "conditions": [
        {
          "condition": "minecraft:block_state_property",
          "block": "minecraft:potatoes",
          "properties": {
            "age": "7"
          }
        }
      ]
    }
  ],
  "functions": [
    {
      "function": "minecraft:explosion_decay"
    }
  ]
}