近年来我县先后引进推广各类新技术50项,推广面积每年都在20万亩左右。据抽样调查分析,全县每年靠推广农业新技术增产粮食1600万公斤,增加经济收入1000万元。其中,突出的项目有:一、地膜覆盖栽培技术1982年以来,全县累计推广14万亩,其中粮食作物67000亩。经济作物73000亩,共增产粮食1000万公斤,增加收入930万元。几年的实践,使我们体 In recent years, our county has introduced and promoted 50 new technologies of all kinds, and the promotion area is about 200,000 mu each year. According to a sample survey, the county annually increases grain output by 16 million kilograms by promoting new agricultural technologies and increases economic income by 10 million yuan. Among them, outstanding projects are: First, the cultivation of plastic film cover Since 1982, the county has promoted a total of 140,000 mu, of which 67,000 mu of food crops. 73000 acres of cash crops, a total of 10 million kilograms of grain production, an increase of 9.3 million yuan in revenue. Years of practice make us body