Soil nitrate: The Effect of Nitrogen Addition and Different pH Levels on Microorganism Populations
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The purpose of this experiment was to measure the effect of NH4NO3 addition and different levels of pH on microorganism populations. The experiment was located in field B. This experiment was laid out as a full factorial design with 3 nitrogen levels and 4 pH levels. The pH levels strived for are 4.0, 5.5, 6.5, and controls. The nitrogen levels are E, G, and I are defined in fertilization details. The experiment had 4 replicates. The treatments were randomly assigned to the 48 plots. The plots were 4 by 4 meters and were laid out in a 6 by 8 grid.
On May 5, 1995, a wildfire burned all of the plots in experiment 24 in field B.
创建时间：
2019-04-05
