Table 3 Selected properties of the 54 soils included in the trials.
From: Establishing grading indices of available soil potassium on paddy soils in Hubei province, China
No. | pH | Organic matter (g kg−1) | Total N (g kg−1) | Avail. P (mg kg−1) | NH4OAc K (mg kg−1) | No. | pH | Organic matter (g kg−1) | Total N (g kg−1) | Avail. P (mg kg−1) | NH4OAc K (mg kg−1) |
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 6.08 | 38.40 | 2.11 | 18.9 | 47.1 | 28 | 7.86 | 55.23 | 2.76 | 23.7 | 109.4 |
2 | 6.68 | 28.15 | 1.91 | 10.9 | 82.8 | 29 | 6.23 | 23.03 | 1.52 | 17.8 | 170.5 |
3 | 6.75 | 32.15 | 1.46 | 12.0 | 44.5 | 30 | 7.96 | 38.50 | 2.22 | 27.2 | 155.2 |
4 | 5.57 | 23.82 | 1.25 | 9.6 | 33.1 | 31 | 6.45 | 20.67 | 1.17 | 42.5 | 155.2 |
5 | 5.76 | 27.18 | 1.61 | 7.1 | 63.6 | 32 | 6.60 | 44.93 | 2.64 | 21.3 | 134.9 |
6 | 6.86 | 22.19 | 1.38 | 7.7 | 58.5 | 33 | 6.76 | 44.37 | 2.36 | 46.2 | 124.7 |
7 | 5.64 | 30.32 | 1.54 | 10.6 | 22.9 | 34 | 5.26 | 30.50 | 1.68 | 15.5 | 155.2 |
8 | 6.90 | 26.83 | 1.69 | 18.8 | 101.2 | 35 | 7.99 | 14.26 | 1.20 | 12.5 | 104.3 |
9 | 6.61 | 31.98 | 1.44 | 10.4 | 61.3 | 36 | 6.8 | 23.2 | 1.30 | 5.6 | 106.3 |
10 | 6.05 | 33.06 | 1.55 | 6.9 | 65.7 | 37 | 5.8 | 22.5 | 1.40 | 9.4 | 152.8 |
11 | 5.92 | 35.26 | 1.89 | 25.9 | 61.3 | 38 | 5.0 | 20.7 | 1.30 | 12.5 | 79.7 |
12 | 5.70 | 30.60 | 2.00 | 7.9 | 34.8 | 39 | 6.6 | 24.2 | 1.30 | 10.0 | 59.8 |
13 | 5.90 | 31.07 | 1.74 | 12.8 | 68.7 | 40 | 5.3 | 18.0 | 1.00 | 5.0 | 86.3 |
14 | 5.63 | 30.14 | 1.94 | 18.9 | 63.6 | 41 | 4.6 | 23.2 | 0.80 | 5.2 | 86.3 |
15 | 6.07 | 38.71 | 2.06 | 11.4 | 170.5 | 42 | 5.7 | 26.4 | 1.40 | 3.1 | 166.0 |
16 | 5.81 | 24.61 | 1.45 | 8.7 | 99.2 | 43 | 7.1 | 26.7 | 1.50 | 12.5 | 179.3 |
17 | 6.68 | 10.11 | 0.61 | 7.5 | 129.8 | 44 | 7.7 | 30.2 | 1.80 | 3.5 | 93.0 |
18 | 5.43 | 25.70 | 1.24 | 43.3 | 84.0 | 45 | 5.6 | 26.5 | 1.80 | 30.2 | 79.7 |
19 | 5.28 | 22.42 | 1.26 | 8.4 | 78.9 | 46 | 6.0 | 26.9 | 0.61 | 8.1 | 192.6 |
20 | 5.00 | 19.90 | 1.25 | 60.2 | 99.2 | 47 | 5.3 | 27.3 | 0.70 | 17.4 | 159.4 |
21 | 7.24 | 18.35 | 1.11 | 10.3 | 53.4 | 48 | 5.18 | 30.12 | 1.54 | 12.73 | 73.1 |
22 | 5.73 | 21.59 | 1.26 | 15.1 | 33.1 | 49 | 4.98 | 33.02 | 1.67 | 12.16 | 73.1 |
23 | 5.95 | 16.88 | 1.10 | 10.5 | 78.9 | 50 | 4.97 | 32.80 | 1.6 | 14.3 | 79.7 |
24 | 5.24 | 23.47 | 1.27 | 35.6 | 70.3 | 51 | 4.76 | 25.6 | 2.00 | 2.32 | 33.2 |
25 | 5.68 | 22.52 | 1.17 | 10.9 | 74.5 | 52 | 6.80 | 21.3 | 1.16 | 12.62 | 192.6 |
26 | 5.96 | 26.48 | 1.49 | 7.1 | 70.0 | 53 | 6.20 | 30.5 | 1.10 | 12.81 | 132.8 |
27 | 5.64 | 23.06 | 1.62 | 20.8 | 25.4 | 54 | 6.00 | 29.9 | 1.31 | 10.68 | 172.7 |
