y a tr 氰菊酯
The tobacco plant from tray system abloom 7 days later than traditional seedling system,and more 3 leaves than traditional system.
托盘水床苗比常规苗开花时间晚7天以上,单株叶数多2-3片。
参考来源 - 烤烟托盘育苗关键技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT A tray is a flat piece of wood, plastic, or metal, which usually has raised edges and which is used for carrying things, especially food and drinks. 托盘
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