Nitrogen depletion is a condition of some:
bushes humans animals soils disease legumes mammals Birds
A B C D E F G H
An important nutrient commonly added to soil is nitrogen.
Soil can be depleted of nitrogen.
Nitrogen depletion is a condition of some: (A) bushes (B) humans (C) animals (D) soils (E) disease (F) legumes (G) mammals (H) Birds