3月1日，中储粮肇东直属库的传送带将玉米传送到大型烘干塔中。近年来，黑龙江省不断加强基层农技推广体系建设，加快先进技术的集成组装与推广，农业生产科技含量进一步提高。主要农作物良种覆盖率由2007年的95%提高到2012年的98%以上。2012年粮食总产超过1152亿斤，比2007年增加495亿斤以上。新华社记者 王松 摄     On March 1,,Grain storage in zhaodong grain depot of the conveyor belt will be transferred to large drying tower corn.In recent years,Strengthen construction of basic-level agro-technique extension system in heilongjiang province,Speed up the integration assembly and promotion of advanced technology,To further improve agricultural production, science and technology content.Main crop varieties coverage rate increased from 95% in 2007 to 2012 by more than 98%.More than 115.2 billion total in 2012 catties,More than 2007 catties more than in 2007.Xinhua news agency reporters king was taken