1982年以来,烟台市在发展集约化种植方面探索了多种模式,大幅度地提高了农田的经济效益。据不完全统计,全市高效益农田年种植面积近百万亩,每亩平均增加净收入120元以上。为发展烟台农村经济起到了积极作用。所谓高效益农田是指粮油菜种植在同一块耕地上,高秸与矮秸,深根型与浅根型,喜光与耐荫,生长期长与短的不同科、属和不同生态型之间 Since 1982, Yantai has explored various modes of developing intensive farming and has greatly increased the economic benefits of farmland. According to incomplete statistics, the city’s high-yield farmland has an annual planting area of ​​nearly 1 million mu and an average net income of more than 120 yuan per mu. For the development of rural economy in Yantai has played a positive role. The so-called high-efficiency farmland refers to the planted in the same piece of arable land, high straw and short straw, deep root and shallow root type, hi light and shade, long and short growth period of different families, genera and different ecotypes