Where does the black land refer to?

"Hometown of Black Land" refers to Jilin Province. Jilin province is known as the "hometown of black land", with vast plains and fertile land, which has favorable conditions for developing efficient agriculture and green agriculture. The main crops planted in Jilin are sunflower, pepper, ginseng, isatis root, blueberry and mung bean.

In addition, Heitu Township is a township under the jurisdiction of zhijin county, Bijie City, Guizhou Province, which is located in the south of zhijin county with an area of 99 square kilometers. Heitu Township People's Government is located in Heitu Street. The main specialties are frozen chicken, river bacteria and Rosa roxburghii. Its local specialties include rice bean jelly, bean jelly, stinky tofu, fried eel, river mushroom soup and local chicken soup.