Which factor does NOT influence the breakdown of pesticides in soil?

The breakdown of pesticides in soil is influenced by several factors, such as soil moisture, temperature, and sunlight exposure. Soil moisture is critical because it can affect the solubility and mobility of pesticides, which in turn can impact their breakdown and degradation. Temperature also plays a significant role; warmer temperatures can enhance microbial activity in the soil, leading to faster degradation of pesticides. Sunlight can contribute to photodegradation, where certain pesticides break down more quickly when exposed to UV radiation.

Soil color, while it may affect certain soil characteristics like temperature and moisture retention, does not directly influence the chemical breakdown of pesticides. The chemical processes and microbial interactions involved in pesticide degradation are not dependent on the color of the soil. Therefore, it is accurate to assert that soil color does not play a role in the breakdown of pesticides in soil.