Fertile Soil

This article is about the spell. For the scenery object, see Fertile Soil (scenery).

Fertile Soil
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Released		24 July 2006 (Update)
Members		Yes
Level		83
Spellbook		Lunar
Type		Utility
Experience		87
Runes		15 3 2
Description		Fertilise a farming patch with super compost
Animation
Sound effect
File:Fertile Soil.ogg

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.

Casting this spell on the Morytania herb patch is a requirement for the elite Morytania Diary.

Cost

The two additional volcanic ash for upgrading to ultracompost add an additional 126 coins to the cost. The cost can be compared to the current costs of supercompost (58) or ultracompost (298) on the Grand Exchange.

Spell cost

Input	Cost
2 3 15	523
Combo runes
2 3 15	583
2 3 15	2,203
2 3 15	733
Main-hands
2 3 Alt	448
1.93 3 15	516
Main and off-hands
2 3	448
1.93 3	440

Changes

Date	Changes
[[{{#explode:19 March 2015| |0}} {{#explode:19 March 2015| |1}}]] [[{{#explode:19 March 2015| |2}}]] (update)	You should now be able to use the Cure Plant and Fertile Soil lunar spells on both of Harmony Island's farming patches.
[[{{#explode:12 March 2015| |0}} {{#explode:12 March 2015| |1}}]] [[{{#explode:12 March 2015| |2}}]] (update)	Fertile Soil can now be cast on the Harmony Island herb patch.

Trivia

• 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!"