soil conditioner
Noun
Meaning
a chemical substance used to improve the structure of the soil and increase its porosity
Source: WordNetSynonyms
Hypernyms
Hyponyms
Examples
gypsum can be used as a soil conditioner
It has been used as a soil conditioner and acid soil neutralizing agent.
Containing water-soluble nutrients, vermicompost is a nutrient-rich organic fertilizer and soil conditioner in a form that is relatively easy for plants to absorb.
Maerl is commonly used as a soil conditioner.
Mica may also be used as a soil conditioner, especially in potting soil mixes and in gardening plots.
Types used in agriculture Marl was extensively mined in Central New Jersey as a soil conditioner in the 1800s.