The researchers studied how different ways of watering and adding phosphorus to soil affect the growth of two types of rice plants in soil with high levels of arsenic. They found that using less water and adding enough phosphorus helped the rice plants grow better and produce more grains, even in arsenic-contaminated soil. The rice plants that were good at using phosphorus had better growth than those that were not, but they also had higher levels of arsenic in their grains. Overall, using less water, adding enough phosphorus, and choosing rice plants that are good at using phosphorus can help reduce the harmful effects of arsenic on rice plants and the amount of arsenic in the rice we eat.