Usable forms of nitrogen can intentionally be increased in the soil by(1 point)

Question

Responses

planting fewer beans.
planting fewer beans.

planting more trees.
planting more trees.

lightning.
lightning.

allowing organic matter to decompose.

Answer 1

Usable forms of nitrogen in the soil can intentionally be increased by:

allowing organic matter to decompose.

Decomposing organic matter releases nitrogen in a form that plants can use, such as ammonium or nitrate. Other options mentioned may not contribute to an increase in usable nitrogen directly.