The potato is a significant part of the global food system,its industry's rapid and sustainable development plays an important role in ensuring the world food security and promoting the economical development of agricultural nations.China is the largest potato producer in the world,and it is also the more and more important global supplier.But at present,the potato's average yield per mu of our country is less than 1 ton,and the mechanization level is less than 1%,between which and the average yield of pota...