西瓜花生玉米一年三作获成功山东文登市一农民技术员探索一年三作耕种方式大获成功。１９９２年，他在５亩实验田里实行西瓜、花生、玉米轮作，亩均收入达３０００多元。去年，他指导本村农民按照这一耕种方式实行大田作业，又获丰收，６０亩山岭薄地收入达到１８万元。文... Watermelon peanut corn was successfully won three times a year Wendeng City, Shandong Province, a farmer technician to explore three a year of farming success. In 1992, he practiced watermelon, peanut and corn rotation in 5 mu of experimental fields, each with an average income of 3,000 yuan. Last year, he directed the farmers of this village to conduct field operations in accordance with this cultivation method and obtained a bumper harvest. The income from the 60-mu mountains and thin terrain reached 180,000 yuan. Text ...