Bamboo farm: harvests by itself (automatic farm)

fuels ~1,350 items smelted an hour: a double chest of ore every 2.5 h, half of an 8-furnace super smelter at full speed · 319 bamboo stalks · 1,468 blocks · ~2,500 iron + 92 slime to build

Harvests bamboo by itself, forever, from its 319 stalks: every block that grows is broken and its item goes into a chest. It gathers about 5,400 bamboo an hour: 3.7 for each block placed. As furnace fuel, its bamboo smelts about 1,350 items an hour: a double chest of ore every 2.5 h, half of an 8-furnace super smelter at full speed.

half the field: 319 stalks against 639 · 0.93 items smelted an hour per block · one flying machine sweeps the field · needs open sky or light 9 · harvests each stalk at 7 blocks tall · fits in 14×7×42

fuels ~1,350 items smelted an hour: a double chest of ore every 2.5 h, half of an 8-furnace super smelter at full speedCrop farm3D view loading (or not available in this browser)

Try it

The view plants the bamboo, puts chests under its hoppers and grows the bamboo 3 times faster than the game does: watch the farm break each block that grows and send its item into the chest (the tag over each chest shows what it holds). To farm more, build copies side by side, one every 15 blocks.

How this design does it: Bamboo fuel farm swept by one flying machine, 319 stalks on a 10x32 field: half the fuel an 8-furnace super smelter burns at full speed.

Build it

Download .litematic Download the design as text

The .litematic opens in Litematica (Minecraft 26.3): every block of the design in one region. The text file is the same build written as plain text, block by block.

After building it, plant a bamboo on each of its 319 mud blocks and run its two output hopper lines into your super smelter's fuel chest: the download has no bamboo. It needs open sky, or light 9 at every stalk (a torch or lantern beside it): in the dark, indoors or underground, nothing grows; with light 9 it works day and night.

Blocks used: hopper mud observer obsidian redstone wire slime block sticky piston stone

For a super smelter: run its lines into the fuel chest of Auto-smelter: a double chest of raw iron in 72 min (100% of 8 furnaces) · ~8 stacks of coal · 108 blocks · rests.

The whole field: ~2,750 items smelted an hour · 2,492 blocks.

Bigger farms

Build copies side by side, one every 15 blocks: each copy adds the same harvest, so every size gathers 3.7 bamboo an hour for each block placed.

copies	stalks	blocks	an hour
1 copy (this design)	319 stalks	1,468 blocks	5,400 bamboo
2 copies	638 stalks	2,936 blocks	11,000 bamboo
4 copies	1,276 stalks	5,872 blocks	22,000 bamboo
8 copies	2,552 stalks	11,744 blocks	43,000 bamboo

Details: how it works, measurements and properties

In depth

harvests its crop by itself: every block that grows is broken and its item sent into a chest, forever, with no replanting

How to try it

The farm runs in the view: the view plants the crop and puts chests at its outputs, then grows it 3 times faster than the game; every block that grows is broken and its item drops into the 2 chests at OUT. The numbers over each chest show what it holds; speed it up with the bar's speed dropdown. Drag to look around, pinch or scroll to zoom.

Measurements

metric	value	what it means
items per hour per block	3.699	items harvested each hour for each block placed, over 10 hours of game time: the farm's efficiency, what the main design is ranked by
items per hour	5429.7	items the whole design harvests each hour, over 10 hours of game time
per stalk	4.60 blocks	blocks placed for each bamboo stalk it harvests
items per hour per stalk	17.02	bamboo harvested each hour for each stalk, over 10 hours of game time
harvest height	7	how tall a stalk gets before the farm cuts it, in blocks
wait	32.7 s	the longest a grown block stood before the farm harvested it
items smelted per hour per block	0.925	furnace items its harvest smelts each hour as fuel, for each block placed (a furnace smelts one item per 200 game ticks of fuel: bamboo burns 50, a quarter of an item each)
items smelted per hour	1357.4	furnace items the farm's whole harvest smelts each hour as fuel (an 8-furnace super smelter at full speed takes 2,880 an hour)
game rts	9	how fast the plants grow in the 3D view, as the game's random tick speed (normal play is 3): a farm of up to 8 plants at 300, a bigger one slower so its collection keeps up
bill	2,452 iron, 4 quartz, 12 redstone, 92 slime	what its blocks cost to craft: iron, quartz, redstone, slime

Notes from its designer

Bamboo fuel farm swept by one flying machine, 319 stalks on a 10x32 field: half the fuel an 8-furnace super smelter burns at full speed. The same design as bamboo-sweeper-8x8 at the widest field one machine can sweep (10: each push moves the half's slime, observer, a 4-column wing of slime over stone blades and the other half's piston, 11 of the 12 blocks a piston can move), longer: mud over a hopper under every stalk, the 6-block two-way flying machine whose stone blades cut every stalk at its 2nd block (bamboo keeps no growth memory, so a timed cut loses nothing), walls up to y 4 along the sides and y 5 at the ends, catcher rows at both ends, and a catcher behind each end wall (an item riding on top of the machine is squeezed into the end wall as it docks, and the game moves an item stuck in a block to the closest free space, which can be behind the wall). 1357 items smelted per hour: a double chest of ore every 2.5 h.

Properties

Study	Crop farms
Kind	Bamboo farm: harvests by itself (automatic farm)
Blocks placed	1468 (not counting the crop and the chests the view adds)
Box	14×7×42 (4116 blocks of space)
Made of (the blocks that change state)	hopper, mud, observer, obsidian, redstone wire, slime block, sticky piston, stone
Inputs / outputs	no input / A, B
Flags	size
Design file	`bamboo-sweeper-10x32`

The design file

on GitHub

Design file (644 lines)

# Crop farm: fuels ~1,350 items smelted an hour: a double chest of ore every 2.5 h, half of an 8-furnace super smelter at full speed · 319 bamboo stalks · 1,468 blocks · ~2,500 iron + 92 slime to build
# https://vjeux.github.io/redstonepedia/farms/bamboo/bamboo-sweeper-10x32.html
name: bamboo-sweeper-10x32
circuit: harvester bamboo
tile: 15 0 0
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port output.a: -1 -1 33
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origin: -2 0 -5
palette:
  A minecraft:hopper[enabled=true,facing=north]
  B minecraft:hopper[enabled=true,facing=south]
  C minecraft:hopper[enabled=true,facing=west]
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  E minecraft:obsidian
  F minecraft:sticky_piston[extended=false,facing=south]
  G minecraft:stone
  H minecraft:hopper[enabled=true,facing=down]
  M minecraft:mud
  O minecraft:observer[facing=down,powered=false]
  R minecraft:redstone_wire[east=side,north=side,power=0,south=side,west=side]
  S minecraft:slime_block
  h minecraft:hopper[enabled=true,facing=east]
  o minecraft:observer[facing=north,powered=false]
  s minecraft:sticky_piston[extended=false,facing=north]
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