Here are some easy tricks to get rid of a slug and to make your garden healthy.
Coke or Milk traps.
If your plants are more important for you use coke or milk traps. Buried the cup under soil above 1.5inch above the ground because slug only notices these from some inch and half fill with a coke or milk, change the cup every day. You can also use gluey mixture of honey and yeast to catch the slug.
This trap can be used to kill a slug. Put a little amount of cornmeal in a jar and put it on a ground in a rectangular shape. When slug eat it expand inside in a slug body and can cause death.
Slugs love to live in a shady and dry place like wooden planks, boxes, made of cardboard or flower pots. Use any of the above a trap and put it far away from house to catch them. Uses of cabbage leaves, dry pet food gives you the good results.
Make a copper strip barrier.
Make a barrier made up of copper and made barricades around your garden. The slug can never able to cross these copper barrier with their body.