The period from November to February next year is the fitting and propertime for the cold resistance test in the Yangtze estuary.It was found that thepercentage of electrolytes in the leakage from one-year shoots of various culti-vated varieties or stocks tallied with the cold resistance of them.The damagedrate most conveniently measured is as follows:(?)
| 
推荐 
点击下列相关研究机构和相关文献作者，可以直接查到这些机构和作者被《中国知识资源总库》收录的其它文献，使您全面了解该机构和该作者的研究动态和历史。
