BRoken 5 day old baby help

[BlazeThatHaze]

today my i discover my super cali haze from short stuff was ripped and held on by the littlest thread what can i do to make it live or is there anything i can do to guarantee it to make it alive??? just happened today and also i just left it and diged it under the dirt to connect it that all i did not tape it or anything just buried the rip part onto of the other riped part and just burried is that the right thing to do kinda drivin me crazy??i know its a mouse or rodent problem or animal the break is always under the soil so has to be from the soil probly i use roots soil and also i do it in safe environment so i def kno aint no type of aniamal or bug problem but something is cutting my plants in half when there like a week old happen 3 times always under the soil near where it connects at i use plugs so i dig out the dirt and its snapped were the plug and dirt meets someone help please