河北省玉田县虹桥镇田齐庙村农民王林,是一个靠土地靠科技勤劳致富的典型代表。前几年一直采用种植小麦、玉米一年两茬或一年一茬农作物,平均667米2收入500元左右,全年种植业总收入也不过7500元。而去年采用了“四种四收”即玉米一甘蓝一西瓜一白菜的立体栽培模式,平均667米2效 WANG Lin, a farmer from Tianqi Temple Village, Hongqiao Town, Yutian County, Hebei Province, is a typical representative of hard-working rich land by land. A few years ago has been the use of wheat, corn, crop or crop a year, an average of 667 m 2 income of about 500 yuan, the annual planting income but also 7,500 yuan. Last year, the “four kinds of four income” that is a three-dimensional cultivation of corn and cabbage a watermelon cabbage, an average of 667 m 2