the difference in soil quality between the United States and Korea

(1)According to the U.S. Department of Agriculture’s World Soil Survey,
(2)The U.S.A. is the world’s largest city.
(3)It’s a country with the most fertile land.
(4)Among them, “If you spray seeds, grain grows even if you don’t do anything.”
(5)Half of the first-class land is in the United States.
(6)For your information, Jeolla-do, which says our land is the best,
(7)I’m level 5.
(8)You have to pour in fertilizer.
(9)You can expect a good harvest.
(10)The rest of the land belongs to a mountainous area of 67 grade.
(11)I can imagine how hard life must have been for our ancestors.
(12)Just hell.