Today experiment ~title : investigation of soil and earthworm

formalin , 1 percent~

light and moisture meter

soil PH meter

me + earthworm

ky, seng chun , me and wai kit~

today experiment is to investigate of solil and earthworm~

tis experiment quite nice, four ppl in one group ~

firstly, we prepared our apparatus in the lab ,

such as, soil PH meter , light and moisture meter and

wind meter , thermometer of soil and formalin 1 perent.......

after that,we went out choosed the soil area at surrounding the college~

finally , we chosen DK A area....

then , strarted 4 our experiment~ go go go !!!

just used all the apparatus to test the soil , and used formalin to forced out all the organism in the soil, because we wan to collect earthworm ......

finally , our result quite ok , but the number of earthworm is very less, only 2 !!!

tis is because of we during the experiment on afternoon ...

(earthworm sensitive to light and heat)

end~