#soil conditioner

• Ameliorant — Bringing an improvement; a substance, fertilizer, plant crop, or chemical compound added to a medium to optimize its physical, chemical, or biological properties. In soil science, it represents an amendment applied to degraded soils, while in baking it describes an additive used to enhance dough and finished product quality.
• Amendment — A formal proposal to modify, add to, delete from, or rephrase a legislative text, a bill, a contract, or an article of a constitution, which is under debate or already adopted by a competent authority. In a technical and agronomic sense, the term denotes a mineral or organic substance incorporated into the soil to improve its physicochemical qualities, such as correcting acidity.