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Figure 2: Moisture Content
Figure 2 Legend:
Figure 2 describes the average moisture content (in grams of water) each soil sample, pesticide or no pesticide, had. The method to measure the data was by measuring the weight of a soil sample, waiting a week for the water content to evaporate, and then measuring the difference in the soil mass without the water. The average soil moisture content in the pesticide sample was 17.16 grams, whereas the average soil moisture content for the no pesticide sample was 15.37 grams. The standard deviations were 3.812 and 3.407 for the pesticide and no pesticide groups respectively. The * indicates that the graph is statistically insignificant.
Figure 2 Method:
To determine the moisture content, each soil sample was initially weighed and then left to dry out over the span of a week. The differences in the initial and final weight were measured, and the difference was the determined water content in each sample.
Figure 2 Evidence:
The soil sample with pesticides had a slightly higher moisture content than the soil sample without pesticides. The pesticide condition had 1.79 more grams of water than the no pesticide condition. The p value for the data set was .3411, which is above the threshold of 0.05, so therefore the data is statistically insignificant
Figure 2 Conclusion:
The data collected for the moisture content in soil with and without pesticides cannot be used to support the claim that pesticides have a significant impact on moisture content. Although it is found that there is a slight difference in average moisture content in pesticide versus no pesticide soil, the p-value calculated from the t-test is above 0.05, and therefore the data collected is statistically insignificant.
Figure 2 Explanation:
Since there is no statistical significance between the moisture content of soil with or without pesticide, it reveals that this pesticide does not have a significant impact on the moisture content for these soil samples and could lead us to exploring other ways pesticide could affect the soil as our overarching goal is to figure out if there is a difference in the microbe diversity of soil with our without pesticide. Possible reasons why pesticide does not change moisture content significantly is that pesticide’s primary function is to target pests, not affect water retention, meaning that the addition of pesticide would not change the water retention(Tudi and Sadler 2021). Since there was no statistical significance between the moisture content of soil with or without pesticide, we know to run more tests in order to see how or even if pesticide will change the microbe diversity in soil and how we can help the plants reach their healthiest lives.
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