Question

cleo has a vegetable garden and wants to increase the amount of nitrogen in the soil. how can she most likely do this? add several soybean plants to her garden decrease the amount of fertilizers she uses harvest the vegetable plants continuously reduce the number of decomposers that live in the soil

Explanation:

Soybean plants are legumes that have a symbiotic relationship with nitrogen - fixing bacteria. These bacteria convert atmospheric nitrogen into a form usable by plants, enriching the soil with nitrogen.

Answer:

add several soybean plants to her garden