Mechanical Mastication of Utah Juniper Encroaching Sagebrush Steppe Increases Inorganic Soil N

Table 2

Soil nutrient mixed-model analysis of variance and type III 𝐹-tests from maximum likelihood estimation.

Response variables	Effect	Num DF^1	Den DF^2	𝐹 value	𝑃 value
Total C%	Treatment-microsite^3	7	66	17.58	<0.001
Total N%	Treatment-microsite	7	66	22.01	<0.001
C : N ratio	Treatment-microsite	7	66	7.23	<0.001
Olsen P mg kg^−1	Treatment-microsite	7	42	2.47	0.032
SO4^−-S mg kg^−1	Treatment-microsite	7	42	6.31	<0.001
pH	Treatment-microsite	7	42	1.32	0.263
Inorganic N kg ha^−1 4 mo^−1	Treatment-microsite	7	59	29.71	<0.001
	Season	2	273	17.85	<0.001
	Treatment-microsite * season	14	272	8.72	<0.001

1Num DF: numerator degrees of freedom.
²Den DF: denominator degrees of freedom.
³Treatment by microsite combinations constitute the eight levels of the treatment-microsite main effect.