How about soil and water conservation and desertification control and employment? Which departments to go to?

The best soil and water conservation department in China is the Ministry of Water Resources, followed by some soil and water conservation units under the Ministry of Water Resources, such as soil and water conservation monitoring center, plant center and seabuckthorn center. And then it should be the soil and water conservation office within the basin organization. Then the Provincial Bureau of Soil and Water Conservation, and then,,,

There are also design institutes and research institutes.

Institute of Soil and Water Conservation, China Academy of Sciences, Yangling, Shaanxi.

Some provinces also have soil and water conservation institutes, so they don't do much research and are busy making money.

Go on studying until you can't find a job, and then go back to study. It's a little late.