The goal was to improve how water is used for irrigation in Ningxia's Yellow River area. They suggested updating the current irrigation methods to save water. By lining canals, using pipes, and changing when crops are watered, they found a way to reduce water use by 25%. They wanted to create sustainable agriculture using less water and saving resources. They recommended sprinklers and drip irrigation, as well as planting different crops together to benefit the economy and the environment. The key part was changing how water is delivered to crops and when it is applied to them.