The Science Project Studies on the ratio of the egg shell powder and chalk to prolong the harvest bananas. Experimented with bringing eggshell calcium carbonate in the amount of up to 90 percent calcium carbonate prevents microorganisms and bacteria that cause fruit rot faster. In the experiment, the ground egg shells and chalk mask on banana sets of 3 bags of 3 children each have a ratio of powdered egg shells, the difference is 1: 1, 2: 1 and 3: 1, the results were measured. column in the preservation of 7 days
of the test. Wrap the banana powder, egg shells and chalk in the ratio of 3: 1. Can extend the harvest of bananas better than a banana mask with egg shell powder and chalk in the others.
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