Minecraft Elegance: Versatile Tree Farm (Universal, Cherry, Nether, & Huge Mushroom; Java 1.16-1.20)

A highly simplified and versatile "universal" tree farm for overworld trees (including cherry), nether trees (huge fungi), and huge mushrooms, with competitive rates:

RATES (and bone meal usage rate)
Cherry blossom ~11500/hr (~4800 bm/hr)
Oak (from azalea) 9500/hr (4100 bm/hr)
Birch 9650/hr (10150 bm/hr)
Acacia 8500/hr (6200 bm/hr)
Oak (from saplings) 7500/hr (8600 bm/hr)
Spruce 7450/hr (8500 bm/hr)
Jungle 7100/hr (5050 bm/hr)

Huge Fungi are self-sustaining when combined with fungus farming and composting all byproducts to make bone meal.
Crimson 7000/hr (4350 bm/hr, 940 fungi/hr)
Warped 7250/hr (4000 bm/hr, 975 fungi/hr) This is the recommended option for self-sustaining nether stems

Red Mushroom 24000/hr (7100 bm/hr)
Brown Mushroom 5000/hr (1400 bm/hr, right clicking once per second)

0:00 Intro
0:18 Material List, replace chain with fence post
0:57 Mechanics
5:08 Build tutorial
11:51 Instructions
14:40 Upgrades
16:31 Outro
17:57 Thank you for 100k subscribers!

NOTES
1:16 If you have trouble recovering enough saplings, make sure that the gamerule setting for tntExplosionDropDecay is set to false. Also see the Notes for 13:28 and 17:45 below.
1:56 PAPER servers may need to set "allow-piston-duplication" to true to enable TNT duping in the configuration file (*.yml). If you use Alternate Current mod, you'll need to either disable the mod or modify the duper slightly:    • Scorpio's alternate duper for IanXO4'...  
2:54 If you do not have access to bamboo to make scaffolding (like in a superflat world), you can build the clock in the sky next to the TNT duper. Have the observer look directly at the trapdoor.
3:49 Waterlogged player-placed leaves don't work well as a substitute for obsidian because tree-generated leaves can replace them and then decay to release the water.
7:24 Starting in 1.20, use a fence post instead of a chain to prevent occasional TNT damage.
8:22 Double check to make sure your lever is not backwards.
9:41 Confirming the Y levels is important. Don't skip this step.
12:00 The player will take TNT damage if you have the selection lever down while the nudging device is on.
12:50 The conversion of nylium to netherrack and its reversion can be seen at 1:46, 3:46, and 3:57.
13:28 For jungle saplings, use a stack of saplings to guard against back luck as you get started.
14:17 You may need to clear out low-hanging leftover blocks, like wart blocks and vines, before you start farming huge brown mushrooms, spruce, and acacia.
14:53 and 15:45 This is a dropper, not a dispenser.
16:01 Tthe player has no empty inventory slots to pick up stray bone meal or fungi outside of what is held in the off-hand and main hand.
16:12 The weeping vines and shroomlights can also be composted if you don't want to save them.
16:34 Use warped nylium to farm warped fungus, or use one of each type of nylium to farm a mix.
17:01 Comparator is in subtract mode.
17:45 Building up the walls around the collection pool will help catch more drops, improving the rates by 1-2% or so.

WDL: http://tinyurl.com/52eaxc6r
Litematica (DO NOT ROTATE): http://tinyurl.com/2d437jvx

REFERENCES:
Scorpio's Simple TNT Duper Summary:    • Simple TNT Dupers with NO CORAL | TNT...  
Nevermind Flame's Flower and Fungus:    • Flower and Fungus Farm - Minecraft 1.16  
NColyer's YT channel:    / ncolyer  

Some other direct explosion tree farms:
zerotime_Ling:    • 爆炸式深色橡木树场/explosion based dark oak tr...  
ilmango:    • Fix For Simple TNT Tree Farm Issues  
RS_DKH:    • [MC]Easiest Universal Tree Farm 5.3k-...  
https://www.bilibili.com/video/BV1UY4...

DISCORD SERVERS:
IanXO4:   / discord  
Huge Fungi Huggers:   / discord  
Tree Huggers:   / discord  
TNT Archive (Thanks to enbyd, intricate, pwouik, Sylkos for their help. Thanks to Jan, process, intricate, Sylkos, pwouik, and oreo for their pioneering work on simplified TNT dupers):   / discord  

Some bone (meal) sources include general mob farms, wither skeleton farms, and dedicated bone meal farms, typically using moss:
   • Minecraft Elegance: Instant Mob Farm ...  
   • Minecraft Elegance: Instant Wither Sk...  
Hexatron:    • Minecraft Simple Moss Bonemeal Farm (...  
Camyblank:    • Minecraft Convenient Makeshift Modula...  
Silentbug: https://www.bilibili.com/video/BV18T4...
Emilia (lag optimized variant of silentbug's): https://www.mediafire.com/file/66i99d...

MadMan25's mangrove tree adaptation; you'll need a separate propagule farm. This is LOCATIONAL due to the position of planted propagules. You won't be able to bone meal propagules if they are on the west side of the target block. TEST FIRST at the matching X and Z location before building the farm:
  / discord  

Ncolyer's +15% rates boost adapation:
   • Minecraft Simple 11 Type Tree Farm (1...