Potting ground can last for years , but its lineament can quickly become compromised in one of several way . Old soil often lacks the nutrients necessary to grow thriving plants . Also , the texture of old dirt can also be less than ideal , and stain - borne diseases and pests can posture a job . So , even if the soil still looks like soil , it might not be the best medium for your plants .
Step 1
Potting dirt is consume of its original nutrients more apace than garden ground . If it has fertilizer already in the mixing , you might not need to add together more for the first duo of calendar month , bet on how you ’re using the soil . In general , though , you will need to eat your potted plant regularly . you may add 1 teaspoonful of a slow - discharge fertilizer for every 1 gallon of ground every three months to make the soil nutrient - rich .
Lack of Texture
In sentence , potting soil ’s grain wear down . A sensitive with peat , for example , decomposes and becomes fine . This finer land tend to pack together , inhibiting water and air flow rate , as well as stunting root growth . So , every one to two years , or when you repot , remove one - third to one - one-half of the soil and comprise a new potting sensitive in with the former soil . Then , replant your plants in the mixed grunge . you could either lay aside the leftover old grunge for next works , or thrash it in the garden or compost peck .
Step 2
Diseases, Pests and Old Soil
disease and pesterer can be an consequence with land . If your plants are infest with fungus gnat or mold becomes a problem in your soil , for example , you’re able to change potting grime as part of the solution . Or , you’re able to sterilise it . Because of possible soil - borne pestis and diseases , your should also sterilize old potting soil before using it again to grow plants .
How to Sterilize Soil
A mere manner to sterilise potting filth is in the microwave oven . Fill a polypropylene bag or microwave oven - secure container with 2 pounds of dampish potting ground . With the udder or container unresolved , micro-cook the soil on high for 2 1/2 minutes . Wait until the soil cools before plant the plants . Sanitize your microwave oven before you use it for food . think , that if the soil is too fine from decomposition , contribute unexampled potting filth at a rate of 1 or 2 parts old soil to 1 part fresh territory .
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