论文部分内容阅读
陕西省澄城县地膜玉米播种面积18万亩,占玉米总播种面积的43.9%。为了进一步提高玉米产量,从2010年县农技中心承担国家级旱作农业项目开始,推广了“七改”栽培法,使玉米产量达到682.6.kg/亩,比2010年提高189.5kg/亩,取得了显著的增产效益和经济效益。1改春播品种为春夏兼用品种2010年以后,改常规春播品种为春夏兼用品种,
Chengcheng County, Shaanxi Province, corn sown area of 180,000 mu of corn, accounting for 43.9% of the total sown area of corn. In order to further improve the yield of maize, from 2010, the county agricultural technology center undertakes the national dry farming project, the “seven changes” cultivation method was popularized, the corn yield reached 682.6.kg / mu, an increase of 189.5kg / Mu, achieved remarkable yield increase and economic benefit. 1 change spring sowing variety for both spring and summer After 2010, change the conventional spring sowing varieties for both spring and summer varieties,