In Darksiders Genesis Chapter 14 you will reach a place where you cannot proceed any further. The path is blocked by a wall that is destroyed. You need to blow it up in order to go any further. The bomb growths are located behind the two platforms. To get to it, you need to jump on both of the platforms and jump onto the stable shelf.
There are two ways in which you can use the bombs. You can wait until the road is clear and then throw the bomb. on the wall. You can also throw the bomb on the edge of the rocks on the platform. You can then jump on the platform, pull the bomb and throw it onto the wall.
All you need to do is place the bomb on the wall and set it on fire to clear the path.