莱芜生姜种植历史悠久,在国内外享有较高的声誉,其系列加工产品远销几十个国家和地区,是本市重要的出口创汇产品。近年来,由于连作,大量、单一施用化肥等原因,致使姜田生态环境、土壤理化性状和土壤微生物活动受到了不同程度的破坏,造成土壤板结、肥料利用率下降、病虫害日益加 Laiwu has a long history of growing ginger and enjoys a high reputation both at home and abroad. Its series of processed products are exported to dozens of countries and regions and become an important export-earning product in the city. In recent years, due to continuous cropping, large amount of single application of fertilizer and other reasons, resulting in Jiang Tian ecological environment, soil physical and chemical properties and soil microbial activities have been different degrees of damage, resulting in soil compaction, fertilizer utilization decreased, increasing pests and diseases