研究掌握黑核桃实生苗和嫁接苗的培育技术，能极大地提高苗木质量和生产效率，降低生产成本。
Studying and mastering techniques of cultivating seedlings and grafting seedlings can greatly raise seedling quality, productivity and reduction of productive cost.
对欧鳗黑仔苗的成活率没有影响（P＞0．05）；
The survival rate was not significantly (P>0.05) influenced by salinity.
对欧鳗黑仔苗的总摄食量、饵料系数有显著的影响（P＜0。
The total feed intake and feed coefficient were very significantly (P<0.
对欧鳗黑仔苗的总摄食量、饵料系数有显著的影响（P＜0。
The total feed intake and feed coefficient were very significantly (P<0.
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