近两年来，玉田县采用马铃薯、大葱连作种植模式，实现了上茬马铃薯平均亩产2300公斤，产值1320元，下茬大葱平均亩产3700公斤，产值2600元，两茬合计亩产值3920元的高收入。其具体栽培方法是：一、选用优良品种马铃薯选用早熟、高产、耐寒抗病的克山4号、东农303、鲁引1号；大 The past two years, Yutian County, potatoes, green onions continuous cropping pattern, the realization of the average yield of potato on the crop of 2300 kg, the output value of 1320 yuan, the average yield of 3700 kg of green onions, the output value of 2600 yuan, two stubs total output value of 3920 yuan per mu High income. The specific cultivation methods are: First, the selection of good varieties of potato selection of early maturity, high yield, cold and resistant Keshan 4, Dongnong 303, Lu lead 1; large