我县于1985年搞了35亩“玉米、地膜土豆、秋白菜(或秋菜花)”三种三收的试验,获得成功,1986年发展到150亩,1987年发展到1100亩。玉米亩产达到550公斤,产值187元。土豆亩产1750多公斤,产值520多元。下茬套种白菜,亩产4000—5000公斤,产值200—250元;套种菜花的,亩产1200—1300公斤,产值240—260元。三茬合计。亩产值可达900—1000元,被河北农大李伯航教授誉为亩产千斤粮万斤菜的千元田。这种种植形式既抓住了粮食,又开辟了财源,因而深受农民群众的 My county in 1985 engaged in 35 acres of “corn, plastic potatoes, autumn cabbage (or autumn cauliflower)” three kinds of three harvest trials, the success of the development in 1986 to 150 acres in 1987 to 1100 acres. Corn yield reached 550 kg, the output value of 187 yuan. More than 1750 kilograms of potatoes per mu yield 520 yuan. The next crop intercropping cabbage, per mu 4000-5000 kg, the output value of 200-250 yuan; sets of cauliflower, mu produce 1200-1300 kg, the output value of 240-260 yuan. Three crop total. Mu output value of up to 900-1000 yuan, Hebei Agricultural University, Professor Li Bo Hang was hailed as kilograms of food per kilogram of food thousand fields. This form of cultivation not only caught the grain, but also opened up financial resources, which are deeply peasant masses