The virus-free test-tube seedlings produced by Beijing Jin Hui Keyuan Seed Company must undergo strict virus detection every year, and during the production of the original seed, they are also tested in strict accordance with the national standards. Ensure the quality of the original seeds produced. The main original potato varieties bred by Beijing Jin Hui Keyuan Detoxification Center are: Holland 15, Eugene 885, Zaodabai, Dongnong 303, Kexin 1 No.3, Kexin 1 No.8, Atlantic, Xiabodi, Zhongshu1No. How many potatoes do you need for an acre of land in Beijing? How many potatoes do you need for an acre of real estate? How many potatoes do you need for an acre of land in Gansu? Potato cultivation base in Shanxi? Potatoes in Northeast China.