A material, such as organic matter or sand, mixed into soil to improve growing conditions.
Ingredients such as sand, peat moss, or compost that are added to soil to improve its texture.
different from fertilizer by law. Matter that makes the soil healthier by activating microorganisms, balance pH, and add nutrients while balancing them.
Matter than, when added to the land, will make the soil healthier by such means as balancing and adding nutrients, balancing the pH, encouraging the presence of microorganisms. From a legal standpoint, this is different than "fertilizer" and is not governed by the laws which regulate fertilizers.
Any material added to the soil to enhance plant growth and soil tilth through improving the physical, chemical, and biological status of the soil. They contain mostly organic matter or very slow release minerals. Soil amendments are usually tilled into the top 6 inches of the soil.
A material added to the soil to make more productive by improving its structure, drainage, microbial activity, moisture retention or aeration.
Any material, such as lime, gypsum, sawdust, or synthetic conditioner that is worked into the soil to make it more amenable to plant growth. Amendments may contain important fertilizer elements, but the term commonly refers to added materials other than fertilizer.
any material added to soil to improve it; makes it more drainable, loose, and fertile.