Agronomy knowledge

Agronomist dictionary

Short and clear definitions of agronomic terms: soil cultivation, sowing, nutrition, plant protection, machinery, and crop storage.

Terms in section: 3

E

Crop protection

Economic Injury Level

This is the lowest population density of a pest that will cause economic damage, justifying the cost of control measures.

Crop protection

Economic threshold

The pest population density at which control measures should be initiated to prevent an increasing pest population from reaching the economic injury level.

Crop protection

Entomophage

An entomophage is a beneficial organism, such as an insect or mite, that feeds on agricultural pests, naturally controlling their population density.