TABLE 3.

Soil bacteria two-way ANOVA results showing P-values for alpha diversity calculators.

Alpha diversity calculators	Treatment	Degrees of freedom	Sum of squares	Mean squares	F. model	P
Shannon	Soil amendment	3	0.78	0.26	29.0	< 0.001
	Pasture	1	0.06	0.06	7.15	0.013
	Soil amendment: Pasture	3	0.09	0.03	3.34	0.036
	Residuals	24	0.22	0.01
inverse Simpson	Soil amendment	3	6,718.7	2,239.5	16.9	< 0.001
	Pasture	1	2,728.3	2,728.2	20.7	< 0.001
	Soil amendment: Pasture	3	1,602.5	534.1	4.05	0.018
	Residuals	24	3,163.5	131.8
Fisher	Soil amendment	3	82,957.0	27,652.5	22.4	< 0.001
	Pasture	1	2,625.0	2,625.1	2.13	0.158
	Soil amendment: Pasture	3	22,187.0	7,395.8	5.99	0.003
	Residuals	24	29,616.0	1,234.0
Richness	Soil amendment	3	821,831.0	273,944.0	12.6	< 0.001
	Pasture	1	2,757.0	2,757.0	0.13	0.725
	Soil amendment: Pasture	3	771,849.0	257,283.0	11.8	< 0.001
	Residuals	24	521,137.0	21,714.0
Evenness	Soil amendment	3	0.01	0.00	21.7	< 0.001
	Pasture	1	0.00	0.00	13.7	0.001
	Soil amendment: Pasture	3	0.00	0.00	5.54	0.005
	Residuals	24	0.00	0.00

Treatments consisted of “Soil amendment” and “Pasture.” Significant P-values are indicated in bold.