Sterilized and clean soil will do a lot of good for your plants. Using the same potting soil repeatedly can lead to a buildup of fungal spores, weed seeds, harmful pathogens, and garden pests.
Sterilizing potting soil is very important! Soil contains harmful bacteria, pathogens, and fungi that harms or kills the plants. Insects and larvae may also be present causing harm to plants...
Prepare your soil for sterilization. The soil must be moist enough to be able to compact into a ball. But it should crumble when pressure is removed...
Sterilizing potting soil indoors will bring a repulsive odor that is awful and smells earthy. Some people can tolerate it while others cannot and might be allergic to the odor. Before sterilizing your soil, open your windows and turn on a fan.