It is possible to test a particular fertilizer by assessing the fertilizer in two experimental groups, one where this chemical is applied and another in which it isn't applied.
An experimental group is a sample that is subjected to the same experimental conditions during the procedure.
The experimental groups are fundamental to make comparisons between hours (in this case, to assess the effect of the fertilizer on the plant height).
In conclusion, it is possible to test a particular fertilizer by assessing the fertilizer in two experimental groups, one where this chemical is applied and another in which it isn't applied.
Learn more about experimental groups here:
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