Fertilizzante

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See also: Calendari di crescita delle colture

Fertilizer is used to support crop growth and assist in farming. Some fertilizer is used by placing it on tilled soil before placing the respective seeds; other fertilizer can be used after planting a seed, as well as during plant growth. Fertilizer affects all crops, including crops grown from Wild Seeds.

All fertilizer can be crafted, once the required level of Farming skill is reached. Fertilizer can also be purchased at Emporio di Pierre year-round, or at The Oasis on specific days of the week.

Fertilizer remains in the soil all season. When the season changes, fertilizer normally disappears. However, there are two exceptions in which fertilizer will remain in the soil:

  • If a multi-season crop (i.e., Ancient Fruit, Coffee Bean, Corn, Sunflower, or Wheat) is planted in the fertilized tile, and the new season is one in which the crop grows, the fertilizer will remain.
  • Any crop planted in the greenhouse before its normal growing season will retain its fertilizer if the new season is one in which it normally grows.

Removing a crop with a Tool like the Pickaxe does not remove the fertilizer. Only one type of fertilizer may be used per soil tile.

Types of Fertilizer

Image Name Description When to Use Pierre's Oasis Sell Price Ingredients # Produced per Craft Recipe Source
Basic Fertilizer.png
Fertilizzante base Migliora un po' la qualità del suolo, aumentando le probabilità che crescano colture di qualità. Mescolalo al terreno dissodato. Before planting Gold.png100o Gold.png2o Sap.png Linfa (2) 1 Farming Skill Icon.png Farming Level 1
Quality Fertilizer.png
Fertilizzante di qualità Migliora la qualità del suolo, aumentando le probabilità che crescano colture di qualità. Mescolalo al terreno dissodato. Before planting Gold.png150o
(Year 2+ only)
Gold.png10o Sap.png Linfa (2)Fish.png Pesce (1) 1 Farming Skill Icon.png Farming Level 9
Basic Retaining Soil.png
Terriccio rattenente base Questo terriccio ha una chance di trattenere l'acqua nel corso della notte. Mescolalo al terreno dissodato. Before or after planting Gold.png100o Gold.png4o Stone.png Pietra (2) 1 Farming Skill Icon.png Farming Level 4
Quality Retaining Soil.png
Terriccio rattenente di qualità Questo terriccio ha buone chance di trattenere l'acqua nel corso della notte. Mescolalo al terreno dissodato. Before or after planting Gold.png150o Gold.png200o
(Saturday only)
Gold.png5o Stone.png Pietra (3)Clay.png Argilla (1) 2 Farming Skill Icon.png Farming Level 7
Speed-Gro.png
Crescipresto Stimola la produzione di foglie. Garantisce una frequenza di crescita incrementata almeno del 10%. Mescolalo al terreno dissodato.
Note: Does not reduce time between harvests for multi-harvest crops.
Before or after planting (see Bug note below) Gold.png100o Gold.png20o Pine Tar.png Catrame di pino (1)Clam.png Vongola (1) 5 Farming Skill Icon.png Farming Level 3
Deluxe Speed-Gro.png
Crescipresto deluxe Stimola la produzione di foglie. Garantisce una frequenza di crescita incrementata almeno del 25%. Mescolalo al terreno dissodato.
Note: Does not reduce time between harvests for multi-harvest crops.
Before or after planting (see Bug note below) Gold.png150o
(Year 2+ only)
Gold.png80o
(Thursday only)
Gold.png40o Oak Resin.png Resina di quercia (1)Coral.png Corallo (1) 5 Farming Skill Icon.png Farming Level 8

Crop Quality Ratios

Note that quality is determined at the time of harvest, and not at the time of planting. For crops that produce multiples at harvest (i.e., Coffee Bean, Blueberry, Cranberries), Basic and Quality fertilizers affect only the first crop produced.

Normal soil

Farming level  % Regular quality  % Silver quality  % Gold quality
0 97% 2% 1%
1 91% 6% 3%
2 86% 9% 5%
3 80% 13% 7%
4 75% 16% 9%
5 69% 20% 11%
6 64% 23% 13%
7 60% 25% 15%
8 55% 28% 17%
9 50% 31% 19%
10 46% 33% 21%
11 42% 35% 23%
12 38% 37% 25%
13 34% 39% 27%

Soil with Basic Fertilizer

Farming level  % Regular quality  % Silver quality  % Gold quality
0 87% 9% 4%
1 77% 15% 8%
2 68% 20% 12%
3 59% 26% 15%
4 50% 31% 19%
5 42% 35% 23%
6 35% 39% 26%
7 28% 42% 30%
8 22% 44% 34%
9 16% 47% 37%
10 15% 44% 41%
11 14% 41% 45%
12 13% 39% 48%
13 12% 36% 52%

Soil with Quality Fertilizer

Farming level  % Regular quality  % Silver quality  % Gold quality
0 78% 14% 8%
1 64% 23% 13%
2 52% 30% 18%
3 40% 36% 24%
4 30% 41% 29%
5 20% 46% 34%
6 15% 45% 40%
7 14% 41% 45%
8 12% 38% 50%
9 11% 33% 56%
10 10% 29% 61%
11 9% 25% 66%
12 7% 21% 72%
13 6% 17% 77%

Appearance

Once used on tilled soil, each type of fertilizer has a unique appearance, allowing you to see what type of fertilizer has been used on a given tile.

Name Unwatered Watered
Basic Fertilizer.png

Fertilizzante base
Stardew-texture Basic-Fertilizer.png Stardew-texture Basic-Fertilizer-w.png
Quality Fertilizer.png

Fertilizzante di qualità
Stardew-texture Quality-Fertilizer.png Stardew-texture Quality-Fertilizer-w.png
Basic Retaining Soil.png

Terriccio rattenente base
Stardew-texture Basic-Retaining-Soil.png Stardew-texture Basic-Retaining-Soil-w.png
Quality Retaining Soil.png

Terriccio rattenente di qualità
Stardew-texture Quality-Retaining-Soil.png Stardew-texture Quality-Retaining-Soil-w.png
Speed-Gro.png

Crescipresto
Stardew-texture Speed-Gro.png Stardew-texture Speed-Gro-w.png
Deluxe Speed-Gro.png

Crescipresto deluxe
Stardew-texture Deluxe-Speed-Gro.png Stardew-texture Deluxe-Speed-Gro-w.png

Fertilizer Cost

See also: When to turn your fish into Quality Fertilizer

With the exception of Quality Fertilizer, crafting Fertilizer is always cheaper than purchasing it.

Each time you craft Speed-Gro or Deluxe Speed-Gro, you receive 5 fertilizers, though the "5" does not show up on the crafting menu until you have the required ingredients in inventory. Each time you craft Quality Retaining Soil, you receive 2 fertilizers, though crafting just one would still be cheaper than purchasing it.

The tables below compare the cost of crafting Speed-Gro or Deluxe Speed-Gro against purchasing them at the Oasi or Pierre's. The cost of crafting is the sell price of the constituent ingredients.

Cost for 5 Speed-Gro.png Speed-Gro

Clam.png Clam Quality Crafting Pierre Icon.png Pierre's
No
Profession
Normal Gold.png150o Gold.png500o
Silver Quality.png Silver Gold.png162o
Gold Quality.png Gold Gold.png175o
Iridium Quality.png Iridium Gold.png200o
Tapper Icon.png Tapper
Profession
Normal Gold.png175o
Silver Quality.png Silver Gold.png187o
Gold Quality.png Gold Gold.png200o
Iridium Quality.png Iridium Gold.png225o

Cost for 5 Deluxe Speed-Gro.png Deluxe Speed-Gro

Coral.png Coral Quality Crafting Sandy Icon.png Oasis Pierre Icon.png Pierre's
No
Profession
Normal Gold.png230o Gold.png400o Gold.png750o
Silver Quality.png Silver Gold.png250o
Gold Quality.png Gold Gold.png270o
Iridium Quality.png Iridium Gold.png310o
Tapper Icon.png Tapper
Profession
Normal Gold.png267o
Silver Quality.png Silver Gold.png287o
Gold Quality.png Gold Gold.png307o
Iridium Quality.png Iridium Gold.png347o

Note: Technically it is not possible to find iridium quality clam/coral if you have chosen the Tapper Profession.

Bug

As of PC v1.2.33, applying Speed-Gro or Deluxe Speed-Gro to a crop after planting has no effect on crop growth, even if applied immediately after planting a seed.