To make fertilizers work, you need to connect a <b>pipe with fertilizer</b> product to the farm (1) and drag the <b>fertility target slider</b> (2) to the desired level. The farm will automatically fertilize the soil to the selected level. Note that each fertilizer type has its own maximum fertilization target which is displayed in the <b>Fertilizers Overview UI</b>.
To make fertilizers work, you need to connect a <b>pipe with fertilizer</b> product to the farm (1) and drag the <b>fertility target slider</b> (2) to the desired level. The farm will automatically fertilize the soil to the selected level. Note that each fertilizer type has its own maximum fertilization target which is displayed in the <b>Fertilizers Overview UI</b>.