The primary function of plant roots in nutrient uptake is to absorb essential nutrients and water from the soil. This process is critical for plant growth and health, as roots anchor the plant and facilitate the transfer of nutrients to the above-ground parts. Root systems also interact with microorganisms, forming symbiotic relationships that enhance nutrient absorption, particularly nitrogen and phosphorus. By establishing a robust root network, plants can access a greater volume of soil, optimizing their resource use and contributing to overall soil health and ecosystem sustainability.