Usable forms of nitrogen can intentionally be increased in the soil by(1 point)
Responses
allowing organic matter to decompose.
allowing organic matter to decompose.
planting fewer beans.
planting fewer beans.
planting more trees.
planting more trees.
lightning.
Although lightning can provide nitrogen fixation in the soil, it is not a method that can be intentionally controlled or increased. It occurs naturally and unpredictably. Therefore, the correct answer here would be:
allowing organic matter to decompose.