Element | Grade | Total | Zhongshan | Shuicheng | Panzhou | ||||
Field No. | % | Field No. | % | Field No. | % | Field No. | % | ||
B | Very low | 8 | 1.60 | 0 | 0.00 | 3 | 1.67 | 5 | 2.27 |
Low | 39 | 7.80 | 15 | 15.00 | 6 | 3.33 | 18 | 8.18 | |
Middle | 144 | 28.80 | 23 | 23.00 | 43 | 23.89 | 78 | 35.45 | |
High | 145 | 29.00 | 17 | 17.00 | 51 | 28.33 | 77 | 35.00 | |
Very high | 164 | 32.80 | 45 | 45.00 | 77 | 42.78 | 42 | 19.09 | |
Total | 500 | 100.00 | 100 | 100.00 | 180 | 100.00 | 220 | 100.00 | |
Cu | Very low | 17 | 3.40 | 2 | 2.00 | 8 | 4.44 | 7 | 3.18 |
Low | 20 | 4.00 | 5 | 5.00 | 12 | 6.67 | 3 | 1.36 | |
Middle | 35 | 7.00 | 6 | 6.00 | 17 | 9.44 | 12 | 5.45 | |
High | 311 | 62.20 | 55 | 55.00 | 116 | 64.44 | 140 | 63.64 | |
Very high | 117 | 23.40 | 32 | 32.00 | 27 | 15.00 | 58 | 26.36 | |
Total | 500 | 100.00 | 100 | 100.00 | 180 | 100.00 | 220 | 100.00 | |
Fe | Very low | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 |
Low | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | |
Middle | 1 | 0.20 | 1 | 1.00 | 0 | 0.00 | 0 | 0.00 | |
High | 242 | 48.40 | 66 | 66.00 | 68 | 37.78 | 108 | 49.09 | |
Very high | 257 | 51.40 | 33 | 33.00 | 112 | 62.22 | 112 | 50.91 | |
Total | 500 | 100.00 | 100 | 100.00 | 180 | 100.00 | 220 | 100.00 | |
Mn | Very low | 2 | 0.40 | 0 | 0.00 | 2 | 1.11 | 0 | 0.00 |
Low | 8 | 1.60 | 1 | 1.00 | 4 | 2.22 | 3 | 1.36 | |
Middle | 21 | 4.20 | 9 | 9.00 | 7 | 3.89 | 5 | 2.27 | |
High | 119 | 23.80 | 32 | 32.00 | 61 | 33.89 | 26 | 11.82 | |
Very high | 350 | 70.00 | 58 | 58.00 | 106 | 58.89 | 186 | 84.55 | |
Total | 500 | 100.00 | 100 | 100.00 | 180 | 100.00 | 220 | 100.00 | |
Mo | Very low | 15 | 3.00 | 0 | 0.00 | 7 | 3.89 | 8 | 3.64 |
Low | 37 | 7.40 | 1 | 1.00 | 15 | 8.33 | 21 | 9.55 | |
Middle | 49 | 9.80 | 8 | 8.00 | 17 | 9.44 | 24 | 10.91 | |
High | 108 | 21.60 | 27 | 27.00 | 27 | 15.00 | 54 | 24.55 | |
Very high | 291 | 58.20 | 64 | 64.00 | 114 | 63.33 | 113 | 51.36 | |
Total | 500 | 100.00 | 100 | 100.00 | 180 | 100.00 | 220 | 100.00 | |
Zn | Very low | 5 | 1.00 | 2 | 2.00 | 3 | 1.67 | 0 | 0.00 |
Low | 9 | 1.80 | 0 | 0.00 | 1 | 0.56 | 8 | 3.64 | |
Middle | 32 | 6.40 | 7 | 7.00 | 12 | 6.67 | 13 | 5.91 | |
High | 229 | 45.80 | 41 | 41.00 | 85 | 47.22 | 103 | 46.82 | |
Very high | 225 | 45.00 | 50 | 50.00 | 79 | 43.89 | 96 | 43.64 | |
Total | 500 | 100.00 | 100 | 100.00 | 180 | 100.00 | 220 | 100.00 |