无产阶级文化大革命以来,在毛主席无产阶级革命路线指引下,在各级党、政领导的重视下,我省洋芋播种面积已由原来的二百多万亩扩大到现在的四百多万亩,普遍推广了新品种,改进了栽培技术,注意了各种病虫害的防治,产量有了一定的提高。但是 Since the Great Proletarian Cultural Revolution, under the guidance of Chairman Mao’s proletarian revolutionary line and under the guidance of party and government leaders at all levels, the planted area of ​​our country’s potato has been expanded from more than 2 million mu to more than 4 million mu now , Widespread new varieties, improved cultivation techniques, pay attention to the prevention and control of various pests and diseases, the output has been increased. but