Fertile Soil

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Fertile Soil is a Lunar spell that can treat any targeted farming patch with supercompost. Doing so grants 87 Magic experience and 18 Farming experience. As with all Lunar spells, completion of the Lunar Diplomacy quest is required to cast this spell.

Players who have read the ash covered tome can have the spell treat a patch with ultracompost instead by casting the spell while having two volcanic ash in their inventory, which it consumes. The ash covered tome can be purchased from Petrified Pete's Ore Shop for 40,000 Volcanic Mine reward points.

Just like using compost normally, the spell can be used on a patch before or after planting the seeds and at any growth stage.

Cost[edit | edit source]

Spell cost
InputCost
2Nature rune.png3Astral rune.png15Earth rune.png1,256
Combo runes
2Nature rune.png3Astral rune.png15Dust rune.png1,241
2Nature rune.png3Astral rune.png15Mud rune.png6,521
2Nature rune.png3Astral rune.png15Lava rune.png1,241
Staves
2Nature rune.png3Astral rune.pngMud battlestaff.png1,181
1.8666Nature rune.png3Astral rune.png15Earth rune.pngBryophyta's staff.png1,219.05
2Nature rune.png3Astral rune.pngStaff of earth.png1,181
2Nature rune.png3Astral rune.pngDust battlestaff.png1,181
2Nature rune.png3Astral rune.pngLava battlestaff.png1,181

Changes[edit | edit source]

Date Changes
19 March 2015
(update)
You should now be able to use the Cure Plant and Fertile Soil lunar spells on both of Harmony Island's farming patches.
12 March 2015
(update)
Fertile Soil can now be cast on the Harmony Island herb patch.

Trivia[edit | edit source]

  • If used on a patch that is finished growing, the player will get a chatbox message saying, "Composting it isn't going to make it any bigger."
  • If used on a compost bin, the player will get a chatbox message saying, "No, that would be silly."
  • If used on anything other than a farming patch or compost bin, the player will say, "Um... I don't want to fertilize that!"