Eijkelkamp Soil & Water

Hellige-pH-Indicator for Soil Analysis Manual

General The acidity of a soil is extremely important for plant growth. Fertilizing with chalk is one way of influencing the pH. An acidic soil must initially be treated with chalk, or a fertilizer containing chalk, before it can accept normal fertilization. The pH of a soil must first be calculated, however, in order to determine the quantity of ...