历年来,各地农村栽培甘薯都有翻蔓(或叫翻藤)的传统习惯。认为翻蔓能防止茎节不定根长成小薯,分散养分,抑制茎叶徒长,促进块根膨大,又便于中耕除草,是有益的措施。其实不然,据全国各地科研单位翻蔓试验结果分析,在不同地区、年分、不同品种翻蔓的都有不同程度的减产,从而肯定了 Over the years, all over the country to cultivate sweet potatoes have turned Man (or called Fantan) traditional habits. That turn over to prevent stems adventitious root grow into small potatoes, dispersing nutrients, stems and leaves to curb the growth, promote tuberosity enlargement, but also easy to cultivate weeds, is beneficial measures. In actual fact, according to the results of the test results across the country scientific research units turn over in different parts of the country, year, different varieties of turnovers have different degrees of reduction, which affirmed