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Organic matter

Pronounced / or·GAN·ik MAT·er /

Material derived from living organisms, including decaying plant remains in soil.

Example in a sentence

“Worm castings and aged compost add organic matter that feeds soil microbes over time.”

Leaf Doctor Fungus gnats: small flies around wet soil Small dark flies around the pot usually mean the soil is staying too wet. The adults are a nuisance. Their larvae can… Leaf Doctor pH lockout: why feeding more makes it worse A plant can be surrounded by a nutrient and unable to use it.