Soil depth Treatment Experimental time Experimental time Experimental time Experimental time P-value P-value P-value
Dec. 2017 Jun. 2018 Dec. 2018 Jun. 2020 Warming Time Warming×Time
Soluble P 0–10 cm Control 0.3(0.1) 0.1(0) 0.3(0.1) 0.4(0.1) 0.913 0.924 0.354
(mg kg-1) +1.0°C 0.3(0.1) 0.2(0.1) 0.4(0.1) 0.3(0.1)
+2.1°C 0.3(0) 0.3(0.1) 0.2(0) 0.5(0)
10–20 cm Control 0.2(0.1) 0.1(0) 0.1(0) 0.3(0.1) 0.394 0.461 0.612
+1.0°C 0.2(0) 0.1(0) 0.3(0) 0.3(0)
+2.1°C 0.2(0) 0.1(0) 0.2(0.1) 0.5(0)
20–40 cm Control 0.2(0) 0.1(0) 0.1(0) 0.2(0) 0.200 0.656 0.534
+1.0°C 0.3(0.1) 0.1(0) 0.2(0.1) 0.3(0.1)
+2.1°C 0.1(0) 0.1(0.1) 0.2(0.1) 0.4(0)
Al-Pi (mg kg-1)
0–10 cm
Control
3.5(0.3)
3.7(0.2)
4(0.6)
3.7(0.2)b
0.586
0.063
0.241
(mg kg-1) +1.0°C 3.3(0.2) 4(0.3) 3(0.2) 3.9(0)b
+2.1°C 3(0.5) 4(0.4) 4.1(0.7) 4.3(0.2)a
10–20 cm Control 3.3(0.3) 3(0.1) 2.6(0.2) 3.3(0.1) 0.557 0.300 0.930
+1.0°C 3(0.1) 2.8(0.3) 3(0.2) 3.5(0.3)
+2.1°C 3(0.2) 3.1(0.2) 3.4(0.1) 3.4(0.3)
20–40 cm Control 2.6(0.5) 2.3(0.1) 1.9(0.3) 2.9(0.1) 0.469 0.080 0.457
+1.0°C 2.9(0.4) 2.2(0.1) 2.3(0.3) 3(0.1)
+2.1°C 2.1(0.2) 2.7(0.3) 2.8(0.2) 3.3(0.2)
Al-Po 0–10 cm Control 5.2(0.4) 2.9(1.2) 3.8(0.2) 2.8(1.1) 0.900 0.024 0.330
(mg kg-1) +1.0°C 4.6(1) 3.5(0.9) 3(0.4) 4.5(0.2)
+2.1°C 5(0.9) 2.4(0.5) 3.5(0.1) 3.3(0.2)
10–20 cm Control 3.9(1.5) 2.8(0.4) 1.4(0.4) 3.5(0.2) 0.790 0.913 0.595
+1.0°C 3.9(0.8) 2.3(0.6) 2.1(0.9) 2.8(0.4)
+2.1°C 3.5(0.3) 3.1(0.8) 2.9(0.7) 3.2(0.4)
20–40 cm Control 2.4(0.4) 0.7(0.1) 0.9(0.3) 3(1.1) 0.903 0.098 0.337
+1.0°C 3.7(0.3) 0.9(0.4) 0.7(0.1) 1.5(0.6)
+2.1°C 3.4(0.4) 0.7(0.3) 1.2(0.5) 1.3(0.3)
Fe-Po 0–10 cm Control 20.1(2) 21.4(0.5) 28.1(1.5)a 21.8(2.8) 0.079 0.962 0.480
(mg kg-1) +1.0°C 16.4(0.1) 24.2(2.5) 27.5(2)ab 23.4(0.1)
+2.1°C 18.2(3.5) 22(2.2) 19.4(2.3)b 17.6(1.5)
10–20 cm Control 16(2.4) 23.1(3.9) 23.8(2.5) 21.8(2.2) 0.298 0.736 0.356
+1.0°C 16.9(1.8) 19(2.4) 23(2) 15.7(2.1)
+2.1°C 16.8(2.2) 15.2(1.2) 22(2.7) 20(1.7)
20–40 cm Control 13(0.7) 16.5(1.6) 19.2(1.6) 15.9(1.7) 0.995 0.949 0.935
+1.0°C 13.2(1.7) 14.4(2) 18.3(1.6) 18.3(3.3)
+2.1°C 16.9(2.5) 17.2(2.8) 15.5(2.2) 14.3(2)
MBP 0–10 cm Control 5.4(0.8) 4.4(0.7) 0.405 0.087 0.745
(mg kg-1) +1.0°C 4.9(1) 3.6(1.1)
+2.1°C 4.7(1.3) 3.8(1.4)
10–20 cm Control 3.2(2.3) 3.6(3.1) 0.080 0.569 0.744
+1.0°C 3.9(0.7) 3.4(1.7)
+2.1°C 3.1(2.4) 2.3(1.5)
20–40 cm Control 2.9(0.4) 3.8(1.2) 0.138 0.017 0.363
+1.0°C 4.1(1.6) 4.6(2.6)
+2.1°C 2.7(1.4) 6.8(1.4)