Master, doctoral candidates spend summer vacation in science and technology courtyard

Two doctoral degree candidates of China Agricultural University measures maize roots at the science and technology courtyard in Sankeshu Village of Sikeshu Town in Lishu County, Siping City, northeast China's Jilin Province, on July 25, 2019. The science and technology courtyard was co-founded by China Agricultural University, Jilin Agricultural University and Lishu County's related departments. Master and doctoral candidates can do experiments and give peasants advices and instructions on farm work. (Xinhua/Zhang Nan)