The study on the soil conditioning. Objective to test the performance and study the soil conditioner. Because the current state odor pollutes the respiratory system.The study of the aromatic plants including Michelia, jasmine, rose, and lime was extracted smell. To compare different kinds of plants to use air conditioning. The soil science as absorb odors and when taken in the odor.The variables used in this study include variables, is a kind of flowers, the dependent variable. ความคงทนของ odor control variable is the container packing. The findings of this study are questionnaire, the percentage.The results showed that the extracts from plants that conditioning, it is best to land, followed by jasmine, rose and lime, respectively.
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