The problem of planting lawn

Ordinary soil will do. Rake the land carefully. Most of the flower and bird markets in the city sell grass seeds with many varieties ranging from 100 yuan to 40 yuan. One kilogram of grass seeds can sow 80~ 100 square meters. After sowing, cover it with a white breathable film and keep it moist. Buds can be seen in a week, and the film can be uncovered after 20 days. Our local nursery has lawns for sale, including seeds and work, 10 yuan 1 m2. Of course, the variety of grass is broad.