Nutrient Sufficiency

Availability and concentration of a plant nutrient which allows for adequate, but not maximum growth, or yield. Sufficiency will depend upon the crop and context, so an agricultural crop aiming for maximum or optimum yield, will typically have a nutrient sufficiency which is much higher than that of a turfgrass plant. Nutrient sufficiency will be located between concentrations of deficiency and toxicity. This term is also called critical nutrient concentration.