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Micronutrient

Pronounced / my·kroh·NOO·tree·unt /

A nutrient plants need only in small amounts, such as iron, manganese or zinc.

Example in a sentence

“Plants only need tiny amounts of micronutrients like iron and boron, but high pH can lock them out fast.”

Also called micronutrients

Grow guide Cannabis pH: what the research actually says Match pH to your medium and measure it the same way every time. Hemp research shows very acidic substrate can slow growth,… Leaf Doctor pH lockout: why feeding more makes it worse A plant can be surrounded by a nutrient and unable to use it.