Crop farming basics, then an auto farm in Minecraft
1 Beetroot + 0 to 3 Beetroot Seeds

Beetroot Seeds come from village farms and harvested beetroots, and grow into Beetroot. Seeds are planted on Farmland to start a crop. All seeds work the same; the Wheat Seeds page explains them.
It cannot be crafted; it can be found in chests. It can be composted: each one has a 30% chance to add a layer to a Composter.
This item has no crafting recipe.
1 Beetroot + 0 to 3 Beetroot Seeds
It can be found as loot in Village, Mineshaft, Woodland Mansion, End City and 1 more. Sold by Wandering Trader.
It is a seed to plant on farmland. Animals that eat it: Chicken and Parrot.
Yes. Each Beetroot Seeds put in a Composter has a 30% chance to add a layer (the first layer in an empty Composter always works). After 7 layers the Composter gives Bone Meal.
A Seedy Place (Plant a seed and watch it grow).