To break the seed of lotus, we need to find the end that needs to break. In fact, both ends of the seed are in a protruding state, and the protruding position of one end is sunken, and the sunken mouth has a pinhole like hole, so we can break it at this position. Its seeds are very hard, we must use artificial to break them.
1. Clamp open: the simplest and direct way is to use a vise, put the seeds into the pliers, and press hard until there is a break to let go. When using forceps, you should use skillful force, or you will crush the whole seed.
2. Cut: use sharp scissors to cut a small hole for it. But, use scissors to cut carefully, don't hurt the germ in the seed, cut less, or it will affect germination.
3. Grinding: pick up the seeds and grind them hard on the rough surface, such as cement ground and sandpaper, and grind them back and forth with force. If there is a small opening, it is OK. Also, don't grind too much.