发布时间:2025-01-30 23:48:46
1、嵌接法:主要用于芍药根的嫁接。接穗镶嵌在芍药根一侧的切口上,形成层相对,用麻绳将接口处自上而下缠紧,糊上泥巴;
2、劈接法:主要用于牡丹根的嫁接。操作要点是先将接穗下面削成上厚下薄的楔形,然后用嫁接刀把砧木圆顶劈开,将接穗垂直插入,最后用麻绳缠紧。
筏板基础中暗梁地梁钢筋是设置在筏板上下钢筋网中间还是和筏板上下钢筋网平齐
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