炼苗 meaning in Chinese

hardening-off

The technique of heat preservation and moisture holding was mainly applicated to the management of rice seedling bed
提出了保温湿润育苗的操作程序和秧田以通风炼苗为主的秧田管理技术。
3 . shading levels effected on the growth of cultivated plantlet from adventitious buds in plastic house . lower shading level could increase the root development including root number , fresh weight and dry weight
不同遮阴度对花叶玉簪品种不定芽组培苗炼苗的营养生长有较大的影响，低遮阴度能显著增加植株的根数、根鲜重和根干重。
According to many years ' production practice of the author and predecessors ' studying results , this paper summarized the key techniques of tissue - culture container seedlings of eucalyptus from process of transplanting nursery and soil medium , hardening and transplantation , managing seedlings after transplanted in order that the techniques provide experience for the cultivation and commercial production of tissue ~ culture container seedlings of eucalyptus
摘要根据笔者多年的生产实践与前人研究成果，从移植圃及基质处理、瓶苗炼苗驯化、瓶苗移植、移植后苗木管理、苗木出圃检疫等方面对桉树组培瓶苗移植培育的关键技术进行总结，以期为桉树组培瓶苗的培育和规模化生产提供参考。