Table 3.

Soil nutrients show no significant relationship with mean annual precipitation.

	MAP
	r	p		r	p		r	p		r	p
SAN1	−0.26	0.36	SAP1	−0.09	0.74	SOC1	0.33	0.23	SWC1	0.36	0.19
SAN2	−0.23	0.41	SAP2	0.04	0.90	SOC2	0.41	0.12	SWC2	0.41	0.13
SAN3	−0.40	0.14	SAP3	0.18	0.52	SOC3	0.22	0.43	SWC3	0.36	0.19
SAN4	−0.33	0.23	SAP4	0.34	0.22	SOC4	0.21	0.46	SWC4	0.31	0.25
SAN5	−0.30	0.28	SAP5	0.37	0.18	SOC5	0.18	0.52	SWC5	0.30	0.27

MAP, mean annual precipitation; SAN1–5 is soil alkali hydrolysable nitrogen at 0–20, 20–40, 40–60, 60–80, and 80–100 cm depths; likewise, for SOC1–5, soil organic carbon; SAP1–5, soil available phosphorus; SWC1–5, soil water content.