Comparisons (T-test) for genus abundance between the nitrogen application of 4-year-old (4Y), 17-year-old (17Y), and 32-year-old (32Y) mulberry field soils.

<p>Comparisons (T-test) for genus abundance between the nitrogen application of 4-year-old (4Y), 17-year-old (17Y), and 32-year-old (32Y) mulberry field soils.</p>