1.2 purpose. 1. Water fermented from egg to adjust the acid soil for middle to the neutral soil using
2.การ reduce abandoned eggshell without useful. The remaining shell used be fermented
3.The cost of buying new equipment materials on the soil conditioning package which has high prices
. 1.3 hypothesisFermented from completely and eggshell may make acid soil become central. Because the shell contains calcium carbonate (CaCO3) helps to improve the condition of the acidic soil, as a central 1.4 variables: variables
Acid or acid soil
dependent variable: Fermented egg
control variables: duration and quantity of ingredients 1.5 scope of operation. 1. Completely taken from washing rice and cook. The shell of 2 used
.This experiment used acid soil were tested two
3. Value of soil in the experiment can not know the value of a middle ground, the litmus test.
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