There is snow in the north and oranges in the south. The next sentence is that there is snow in the north and love in the south. From the advertising slogan of Gannan navel orange, Gannan navel orange, a specialty of Ganzhou City, Jiangxi Province, and a national geographical indication product of China. The annual output of navel oranges in southern Gansu reaches one million tons. The place of origin, Ganzhou City, Jiangxi Province, has become the world's largest navel orange planting area, the third largest navel orange production area in the world, and the largest navel orange producing area in the country.
1. Selecting excellent sweet corn varieties, density regulation, nutrition regulation and water and fertilizer