推广“根保”拌种是农业发展的一大举措———根保示范工作简析河北省沾化县科委一、１９９６年根保示范推广工作情况在县政府领导同志关心支持下，我们县科委１９９５年在富国镇、古城镇、泊头乡、黄升乡、永丰乡示范推广“根保”拌种，面积达２５６万亩。示范的技术操... Promotion of “root security” dressing is a major move in agricultural development - Analysis of the work of root protection demonstration Zhanhua County Science and Technology Commission of Hebei Province, 1996, the embodiment of the promotion of demonstration work under the care of the county government leaders, we County Science and Technology Commission in 1995 in Fuguo town, ancient town, Botou Township, Huangsheng Township, Yongfeng Township demonstration to promote “root Paul” dressing, an area of ​​25,600 acres. Demonstration of technical exercises ...