吉林榆树市青顶乡莲花村李成忠积累了独特的西瓜栽培技术。一、留两个蔓。一个是防雨蔓，雨大雨勤年份靠它结瓜；另一个是防旱蔓，天旱年份靠它结瓜。二、整蔓法。防雨、防旱两个蔓朝同一方向爬。当蔓子长到33厘米时，压第一次蔓，此时蔓上还没有瓜；蔓子长到66厘米时，压第二 Li Chengzhong, Qinghua Township, Yushu City, Jilin Province, has accumulated unique watermelon cultivation techniques. First, leave two vine. One is rain vine, rain and rain year rely on it; the other is drought-resistant vine, drought years rely on it. Second, the whole vine. Rain, drought two vines climb in the same direction. When the cranberries grow to 33 cm, the pressure of the first vine, when the vine has no melon;