How to Plant Crops
What produce is dependent on the Seed Planted, the Influence of the Tilled Field, and sometimes the growth stage the crop is harvested at. The amount of Seed required varies by crop and by the Tilled Fields's Upkeep.
Tilled Field's have 4 stats, which can be viewed when right-clicking on a Tilled Field.
A Tilled Field has four Influence Bars - Red, Blue, Green, and Pink. Each crop has a bar which its crops influence and two which it is in turn influenced by. The tier of produce, and the amount of each produce received, at Harvest is determined by the sum of the two bars it is influenced by. When a Tilled Field is Harvested, the bar which that crop influences will increase by 3 times that Tilled Field's Influence Percentage and the other three bars will be reduced by 5. Learning the Three-field System Skill will increase your influence gain to 5 times. A Tilled Field's Influence Percentage is reset after each Harvest but its Influence Bars are not. Between 0 and 75 total Influence you will Harvest tier 1 crops. Between 75 and 100 you will receive a mix of tier 1 and tier 2 crop. For 100-150 total Influence you will Harvest just tier 2 crops. At 150-195 total Influence you will Harvest a mix of tier 2 and tier 3 crops with the tier 2 crop you Harvest being determined by the LOWER of that crops Influencing Bars.
NOTE: In the above table Potatoes can be used in place of Cabbage, and Tobacco can be used in place of Cotton.
Upkeep affects the amount of resources needed to replant a Tilled Field - the lower the Tilled Field's Upkeep the less Humus and Seeds will be needed. Normally a Tilled Field's Upkeep has a Cap of 50%, however, once the Plantation Management Skill has been learned, with Any Hoe equipped, you can right-click a Tilled Field and select "Tend" to permanently reduce it's Upkeep Cap. This reduction is based off the type of Hoe used. After each Planting your Tilled Field's Upkeep will increase by 5. However, Upkeep can be reduced by the Fertilizer used during Planting, down to it's Cap.
NOTE: The entire Tilled Field must be withing the radius of the Scarecrow's protection to prevent Crows from landing.
If a Crow does land in your Tilled Field the most effective recourse is to Destroy it with Coarse Salt if the Purity is low, or using 30x Humus and 1x Potato Chunk or 1x Wild Tuber to reset your Tilled Field to 100% Upkeep.
Speed reduces the time it takes for crops Planted in a Tilled Field to reach maturity. Speed is affected by the Fertilizer used during Planting. As Speed affects the time remaining not the total time, it is advised to use Speed Fertilizers early in Planting as they be progressively less effective the closer the crops are to harvest. A Tilled Field's Speed is reset after each harvest.
Plenty increases the amount of crops you receive when Harvesting a Tilled Field. The amount of produce you will receive when Harvesting is determined by your Tilled Field's Plenty divided by that crop's Plenty constant. While Plenty is affected by the Fertilizer used during Planting, a bonus is also given at the time of Planting which is based on chance and your Stocks & Cultivars. Additionally 50 Plenty is added to your Tilled Field if it is Harvested during an Everbloom. A Tilled Field's Plenty is reset after each Harvest.
Once a Tilled Field has been prepared with Humus and Planted with Seeds, you can add Fertilizer to your Tilled Field to modify your its Influence, Upkeep, Speed, and Plenty. However, each Fertilizer used reduces the effectiveness of next. Fertilizer can be added by selecting the desired Fertilizer and right-clicking it on the Tilled Field.
NOTE Values for Influence are factored with the bonus from having learned Three-field System.
When your crops have matured, or reached the desired stage, right-click on your Tilled Field and select "Harvest". After a Tilled Field is Harvested, Influence, Speed, and Plenty are reset. Using the Salem Store bought Reaping Scythe will dramatically increase the speed which you harvest mature crops from a Tilled Field.
The Purity of crops Harvested from a Tilled Field is based on a combination of the Purity of the Tilled Field, the Purity of the Seeds used when Planting, and chance, which may increase or decrease the Purity of a Harvest by a few percent. Each time the Harvest is higher than the Tilled Field's Purity that Field's Purity will permanently increase by up to 1%.
Destroying a Tilled Field
A Tilled Field cannot be Destroyed by normal means and instead requires the use of Coarse Salt. To Destroy a Tilled Field select a Coarse Salt and right-click it on the Field. You will need enough to first lower the Tilled Field's Purity to 0, after that, each subsequent Coarse Salt added will deal damage. Each Coarse Salt added reduces the Purity by 5% or deals 50% damage.