苎麻园如管理不当,易遭病虫危害,苎麻发生烂蔸,麻株矮小,叶色发黄,生长参差不齐,产量逐年下降。麻农称这种现象为败蔸。引起败蔸的原因是多方面的,如麻地低洼渍水,杂草危害,品种混杂,偏施化学氮肥等,都会使幼龄麻达不到壮龄高产的目的;壮龄麻园也会很快地衰败下去,严重影响苎麻产量和品质。防止败蔸要采用如下培管措施: If inappropriate management of ramie garden, vulnerable to pests and diseases, ramie rotten ramie, short stubble plants, leaf color yellow, uneven growth, output decreased year by year. Maonong said the phenomenon was defeat. Cause of defeat caused by many reasons, such as the marsh of low-lying waterlogging, weeds hazards, mixed varieties, chemical fertilizers and other partial bias, will enable young Ma to reach the goal of high yield; strong Ma nuokun will be very Decline quickly, a serious impact on ramie yield and quality. Prevent defeat to adopt the following training measures: