In a study about conserving water for growing winter wheat in North China, different irrigation systems were tested from 2012 to 2015. The goal was to find ways to use less water while keeping crop yields high. They tried four methods: basin, tube-sprinkler, pillow, and drip irrigation. When using limited water, the drip irrigation system with two applications improved wheat yield and water use efficiency. But when there was enough water, the traditional basin irrigation worked just as well and was cheaper. Overall, using the right irrigation method at the right time can help save water and increase profits for farmers in the region.