Method 1: relatively soft crab gills and shrimp heads
Collect
When eating crabs, shrimps or scallops, collect the soft parts p>
Soil covering retting
Find an empty flowerpot, fill the bottom with a layer of soil, then put crab gills, shrimp heads, etc., and then cover it with a layer of soil p>
Pest control
Put the flowerpot containing these seafood shells in a well lit and ventilated place and wait for it to Rett. If you are afraid of attracting insects, you can put dichlorvos or insecticides in it and then bury it p>
How to use
Generally, these things can be retted in a few weeks. At that time, the soil can be stirred evenly and can be directly used to plant flowers p>
Practice 2: relatively hard crab shell and shrimp shell
Collect
Crab shells, shrimp shells and spiral shells are relatively hard and can be collected and put together for composting p>
Stir fry and crush
Put the collected crab shells, shrimp shells and snail shells into the frying pan and fry them over a low heat. Crush or mash them while frying. After cooling, crush them with your feet or grind them into powder p>
Bask in the sun
Crushed or ground crab shells and shrimp shells can be used to raise flowers in a few days after being exposed to the sun p>
How to use
When planting flowers, directly sprinkle a layer of powder on the bottom of the basin, which is fertile, loose, breathable and not rotten p>
Or you can mix crab shell and shrimp shell powder directly into the basin surface or soil< span>