# Wood processing (technology) internal name `wood-processing-4` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md)) HTML page: https://factorio.kalzumeus.com/tech/wood-processing-4/ ## Cost 2000 units of (1 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 2 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 3 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 6 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 10 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 20 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 30 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 6 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 300 s each. ## Requires (2) - [Botany - Stage 3](https://factorio.kalzumeus.com/tech/botany-mk03.md) - [Wood processing 3](https://factorio.kalzumeus.com/tech/wood-processing-3.md) ## Leads to (0) - none ## Unlocks (4 recipes) ### Tree MK 04 (`tree-mk04`) - 30 s · tier 7 - Ingredients: 1 × [Planter box](https://factorio.kalzumeus.com/item/planter-box.md), 3 × [Tree seedling MK 04](https://factorio.kalzumeus.com/item/wood-seedling-mk04.md), 1 × [Sodium alginate](https://factorio.kalzumeus.com/item/sodium-alginate.md), 200 × [Muddy sludge](https://factorio.kalzumeus.com/fluid/muddy-sludge.md), 3 × [Urea](https://factorio.kalzumeus.com/item/urea.md) - Results: 1 × [Tree MK 04](https://factorio.kalzumeus.com/item/tree-mk04.md) - Made in: Fastwood forestry MK 01, Fastwood forestry MK 02, Fastwood forestry MK 03, Fastwood forestry MK 04 - Unlocked by: [Wood processing](https://factorio.kalzumeus.com/tech/wood-processing-4.md) ### Tree seedling MK 04 (`wood-seedling-mk04`) - 20 s · tier 7 - Ingredients: 1 × [Tree seeds MK 04](https://factorio.kalzumeus.com/item/wood-seeds-mk04.md), 5 × [Moss](https://factorio.kalzumeus.com/item/moss.md), 50 × [Pluripotent stem cells](https://factorio.kalzumeus.com/fluid/psc.md), 5 × [Ground sample](https://factorio.kalzumeus.com/item/ground-sample01.md), 50 × [Chelators](https://factorio.kalzumeus.com/fluid/chelator.md), 5 × [Cobalt fluoride](https://factorio.kalzumeus.com/item/cobalt-fluoride.md) - Results: 1 × [Tree seedling MK 04](https://factorio.kalzumeus.com/item/wood-seedling-mk04.md) - Made in: Botanical nursery MK 01, Botanical nursery MK 02, Botanical nursery MK 03, Botanical nursery MK 04 - Unlocked by: [Wood processing](https://factorio.kalzumeus.com/tech/wood-processing-4.md) ### Tree seeds MK 04 (`wood-seeds-mk04`) - 20 s · tier 7 - Ingredients: 1 × [Tree MK 03](https://factorio.kalzumeus.com/item/tree-mk03.md), 200 × [Chelators](https://factorio.kalzumeus.com/fluid/chelator.md), 400 × [Anthracene oil](https://factorio.kalzumeus.com/fluid/anthracene-oil.md), 7 × [Moss gene sample](https://factorio.kalzumeus.com/item/moss-gen.md), 5 × [cDNA](https://factorio.kalzumeus.com/item/cdna.md), 3 × [Peptidase M58](https://factorio.kalzumeus.com/item/peptidase-m58.md) - Results: 0.005 × [Tree seeds MK 04](https://factorio.kalzumeus.com/item/wood-seeds-mk04.md) (0.5% chance), 0.5 × [Tree seeds MK 03](https://factorio.kalzumeus.com/item/wood-seeds-mk03.md) (50% chance) - Made in: Botanical nursery MK 01, Botanical nursery MK 02, Botanical nursery MK 03, Botanical nursery MK 04 - Unlocked by: [Wood processing](https://factorio.kalzumeus.com/tech/wood-processing-4.md) ### Tree seeds MK 04 (`wood-seeds-mk04-breeder`) - 20 s · tier 7 · productivity modules allowed - Ingredients: 1 × [Tree MK 04](https://factorio.kalzumeus.com/item/tree-mk04.md) - Results: 5 × [Tree seeds MK 04](https://factorio.kalzumeus.com/item/wood-seeds-mk04.md) - Made in: Wood processing unit MK 01, Wood processing unit MK 01 (Legacy), Wood processing unit MK 01, Wood processing unit MK 02, Wood processing unit MK 02 (Legacy), Wood processing unit MK 02, Wood processing unit MK 03, Wood processing unit MK 03 (Legacy), Wood processing unit MK 03, Wood processing unit MK 04, Wood processing unit MK 04 (Legacy), Wood processing unit MK 04 - Unlocked by: [Wood processing](https://factorio.kalzumeus.com/tech/wood-processing-4.md)