The benefits of photosynthetic microorganisms Nitrogen in soil. Add nitrite to the plant. Accelerate growth The plants are strong and grow up to three times as much as the soil, making the roots stronger and better for food. Used to rice paddies to accelerate the cracking of rice. Helps to digest nutrients and organic matter in soil. The plant is easily absorbed. Protect plants by destroying bad microorganisms in the soil. The cause of the disease.