black soil wheat field with a number of college students into China's rural areas, with young wisdom to the grass-roots business, according to the local ecological agriculture to do products, income return to the villagers, help him They have a better time.
commonweal and charity is different,
charity is for the help of sympathy,
and public welfare is to improve social problems.
black soil wheat fields return profits to villages,
also brought sustainable development to the local area.
