How To Sterilize Soil –
After you have made your personal potting soil, you could want to sterilize it. Since the soil is created with decomposed matter and leaf mould, it is possible that it could contain contaminants and bacteria. By sterilizing it, you remove any damaging contaminants from the soil. Sadly, you also kill off most of the nutrients. You can sterilize the soil your self in the kitchen, but you will want to add an organic fertilizer frequently to make positive your plants get all the nutrients they need.
There are two approaches of sterilizing potting soil, and the method you select is up to you. Both are successful and straightforward. The 1st approach includes cooking the soil in the oven, while the second strategy utilizes the microwave. The microwave technique is slightly quicker and makes use of less power than the oven strategy.
Step 1- Preheat the Oven and Prepare the Soil
Preheat your oven to 180 degrees Fahrenheit. Pour your soil into the glass baking pans. The soil must be no much more than 4 inches deep. Make positive it is spread out evenly in the pans.
Step two- Cover the Pans
Cover the pans fully with aluminum foil. Fold the sides beneath cautiously to make sure the aluminum foil stays in place. Stick a meat thermometer though the foil and into the soil in the middle of the pan. You only require to do this with one particular of the pans.
Step 3- Bake the Soil
When the oven reaches the proper temperature, insert the pans into the oven. Watch the thermometer. When it reaches 180 degrees, set a timer for 30 minutes. This is how lengthy the soil will require to bake. Verify sometimes to make confident the temperature doesn’t go any greater. Following 30 minutes, get rid of the pans and let them cool.
Step four- Prepare Soil for Microwave Sterilization
If you determine to sterilize in the microwave, location the soil in a two lb. microwavable container with a sealing lid. A microwave secure plastic bag can be utilized in spot of the container. Vent the container (the bag can be left open). You will want to use a microwave secure meat thermometer to monitor the temperature of the soil in the microwave. Every two pounds of potting soil you sterilize will require to be microwaved on high power for 90 seconds, or till it reaches the temperature of 180 degrees. You will need to maintain it at that temperature for twenty minutes to effectively sterilize it. Following the time has elapsed, remove the containers and let the soil cool.
Step five- Shop the Soil
Which ever approach you used, once the soil has cooled completely, it can be utilised. If you are not going to be making use of it right away, you will need to store it in a sterile, airtight container.