35 2 2016 6 GLOBAL GEOLOGY Vol. 35 No. 2 Jun. 2016 1004 5589 2016 02 0593 08 1 1 2 1 1 1. 130061 2. 130012 50 A > B > C > D > E > F > G A A CEC B ph C E A C D G B C D P595 S151. 9 A doi 10. 3969 /j. issn. 1004-5589. 2016. 02. 034 Study on form distribution of soil iron in western Jilin and its correlation with soil properties LIANG Shuo 1 LI Yue-fen 1 TANG Jie 2 WANG Yue-jiao 1 LI Qing-yu 1 1. College of Earth Sciences Jilin University Changchun 130061 China 2. College of Environment and Resources Jilin University Changchun 130012 China Abstract Through investigating 50 surface soil samples of three agricultural and pastoral areas Taonan City Tongyu County and Qian an County in western Jilin the authors explored form distribution and the relations between soil properties and soil iron form. The results show there exist 7 forms of iron including residual phase A > Fe -Mn oxide phase B > humic acid phase C > carbonate phase D > strong organic phase E > water solubility phase F > exchangeable phase G. A is the main form in soil of western Jilin and the average iron content of soil is lower than the background value in China. There is a significantly positive correlation between Caption Exchange Capacity CEC and A soil ph and B soil organic matter content and C E. Soil mineral elements are significantly correlated with A. C D and G are the next. The relations in different forms of soil iron show that B C and D have significantly positive correlations with each other while the other forms have little correlation. Key words iron form soil properties western Jilin 2016-01-08 2016-04-10 1212010634701 1212010511208 200903033. 1974 -. E-mail yfli@ jlu. edu. cn
594 35 0 2005 DD2005-01 2006 6 ~ 7 2007 7 ~ 8 1 2 3-5 20 0 ~ 20 cm 40 ~ 50 5 1 kg ± 14 22 14 1. 3 ph 1. 3. 1 6-8 XRF -X NaOAc - ph CEC ph 1 1. 3. 2 DD2005-03 WS 3 EXC CARB WOM CBD SPSS SOM RES 7-1 1. 2 1. 1 7 4. 9 350 ~ 8 500 mm 6 ~ 8 1 500 RSD RSD 30% ~ 1 900 mm 3. 4 ~ 4. 9 1. 4 Excel SPSS19. 0
2 595 Table 1 1 n = 50 Statistics of soil properties in the studied area n = 50 /% 0. 16 ~ 2. 11 1. 29 0. 48 0. 37 CEC /cmol kg - 1 6. 74 ~ 15. 03 9. 98 2. 45 0. 25 ph 8. 30 ~ 9. 94 8. 76 0. 46 0. 05 /% 0. 75 ~ 3. 67 1. 71 0. 79 0. 46 CEC /cmol kg - 1 4. 67 ~ 12. 96 7. 79 1. 94 0. 25 ph 8. 29 ~ 9. 57 8. 91 0. 26 0. 03 /% 0. 17 ~ 2. 10 1. 36 0. 51 0. 38 CEC /cmol kg - 1 2. 47 ~ 13. 14 9. 80 2. 62 0. 27 ph 8. 15 ~ 9. 89 8. 51 0. 42 0. 09 2 2. 1 2. 1. 1 50 2. 1. 2 2 50 11 929 mg kg - 1 5 509 ~ 20 188 mg kg - 1 29 400 mg kg - 1 8 9 0. 203 13 258 mg kg - 1 11 751 mg kg - 1 11 197 mg kg - 1 3 Table 2 2 Total iron content of soil in western Jilin /mg kg - 1 /mg kg - 1 50 5 509 ~ 20 188 11 929 2 422 0. 203 14 9 541 ~ 20 188 13 258 3 349 0. 253 22 8 382 ~ 13 096 11 197 1 268 0. 113 14 5 509 ~ 14 414 11 751 2 429 0. 207 Table 3 3 Content and percentage of different forms of soil iron in western Jilin /mg kg - 1 /% /mg kg - 1 /mg kg - 1 /% /mg kg - 1 0. 81 ~ 34. 20 0. 06 6. 32 0. 81 ~ 24. 40 0. 05 6. 70 1. 16 ~ 5. 33 0. 02 2. 59 1. 16 ~ 5. 25 0. 02 2. 80 2. 61 ~ 867. 00 1. 15 137. 56 2. 61 ~ 509. 00 0. 73 96. 14 88. 70 ~ 712. 00 2. 44 291. 21 105 ~ 538 1. 79 237. 79 193 ~ 2 895 7. 61 907. 86 578 ~ 2 894 7. 93 1 051. 50 45. 40 ~ 216. 00 0. 85 101. 39 60 ~ 157 0. 78 103. 79 5 158 ~ 16 870 87. 87 10 482. 31 8 106 ~ 16 870 88. 70 11 759. 29 0. 85 ~ 34. 20 0. 06 7. 28 1. 35 ~ 16. 29 0. 04 4. 44 1. 59 ~ 5. 33 0. 03 3. 00 1. 33 ~ 2. 29 0. 01 1. 73 11. 8 ~ 867. 00 2. 21 247. 55 5. 52 ~ 7. 24 0. 05 6. 30 202 ~ 712 3. 48 389. 55 88. 70 ~ 321. 00 1. 62 190. 26 773 ~ 1 725 10. 09 1 129. 96 193 ~ 715 3. 54 415. 43 63 ~ 216 0. 96 107. 55 45. 40 ~ 149. 90 0. 76 89. 58 6 692 ~ 11 530 83. 17 9 312. 68 5 158 ~ 13 397 93. 98 11 043. 50
596 35 10 482. 31 mg kg - 1 87. 87% > 83. 17% ~ 93. 98% 907. 86 mg kg - 1 7. 61% > 5 158 ~ 16 870 mg kg - 1 291. 21 mg kg - 1 2. 44% > 0. 01% ~ 0. 03% 137. 56 mg kg - 1 1. 15% > 1. 16 ~ 5. 33 mg kg - 1 101. 39 mg kg - 1 0. 85% > 6. 32 mg kg - 1 0. 06% > 2. 59 mg kg - 1 0. 02% 87. 87% 2. 2 2. 2. 1 6. 02% ~ 16. 83% 10 > > > > > > 50 4 Table 4 4 Forms and content of iron in different types of soil n = 3 /mg kg - 1 n = 7 n = 3 n = 37 /% /mg kg - 1 /% /mg kg - 1 /% /mg kg - 1 /% 4. 983 0. 04 14. 874 0. 13 16. 934 0. 16 4. 328 0. 04 2. 341 0. 02 3. 208 0. 03 3. 307 0. 03 2. 478 0. 02 8. 773 0. 07 153. 230 1. 31 436. 500 4. 17 132. 451 1. 10 190. 633 1. 48 299. 600 2. 57 374. 200 3. 58 296. 446 2. 46 609. 033 4. 72 1 249. 386 10. 71 901. 019 8. 61 868. 019 7. 21 102. 417 0. 79 101. 650 0. 87 72. 800 0. 70 103. 573 0. 86 11 992. 667 92. 89 9 848. 286 84. 39 8 657. 533 82. 75 10 627. 757 88. 31 4 CEC ph 5 CEC ph 11 992. 667 mg kg - 1 > 10 627. 757 mg kg - 1 > 9 848. 286 mg kg - 1 > 8 657. 533 mg kg - 1 2. 2. 3 2. 2. 2 6
2 597 Table 5 5 Pearson correlation analysis between soil iron forms and soil factors - 0. 273 0. 182 0. 042 0. 487 ** 0. 018 0. 843 ** - 0. 077 CEC - 0. 213-0. 208-0. 197-0. 024 0. 075 0. 191 0. 807 ** ph 0. 582 0. 074 0. 293 * 0. 201 0. 431 ** - 0. 119-0. 044 * 0. 05 ** 0. 01 Table 6 6 Pearson correlation analysis between various forms of soil iron and total content of mineral elements As Se Al Ca Na Mn K Mg 0. 101-0. 214-0. 063-0. 290 * 0. 382 ** - 0. 101 0. 212 0. 02-0. 096 0. 189-0. 469 ** - 0. 185-0. 112-0. 356 * 0. 144-0. 368 ** 0. 017 0. 133-0. 498 ** - 0. 364 ** 0. 005-0. 331 * 0. 153-0. 454 ** 0. 032 0. 273-0. 471 ** - 0. 338 * 0. 003-0. 201 0. 291 * - 0. 382 ** 0. 489 ** 0. 259-0. 122-0. 071 0. 329 * 0. 02 0. 016 0. 055-0. 198 0. 464 ** - 0. 162-0. 068-0. 215 0. 043 0. 26-0. 056 0. 718 ** 0. 322 * 0. 666 ** 0. 751 ** 0. 055 0. 800 ** - 0. 726 ** 0. 742 ** * 0. 05 ** 0. 01 6 2 Na As Se 2. 3 Al Mg Al Ca Mg Al 7 7 Na Se Al Ca Mg 4 Na 7 3 Table 7 7 Pearson correlation analysis between various forms of soil iron 1 0. 026 0. 215 0. 031 0. 265-0. 145-0. 120 1 0. 331 * 0. 282 * 0. 348 * 0. 336 * - 0. 155 1 0. 748 ** 0. 656 ** - 0. 145-0. 332 * 1 0. 708 ** 0. 213-0. 244 1-0. 035 0. 121 1-0. 006 1 * 0. 05 ** 0. 01.
598 35 3 3. 1 16-18 ph ph ph 3. 8% 1% ~ 4% 19 2. 94% 29 400 mg kg - 1 ph 2. 74% 11 ph 50 11 929 mg kg - 1 Fe 5 509 ~ 20 188 mg kg - 1 20 12 ph 3 4 5 7 8 21 22 0. 1% 3. 2 4 1 50% ~ 80% 5 509 ~ 20 188 mg kg - 1 11 929 mg kg - 1 29 400 mg kg - 1 2 > > > > > > 6 13 14 3 ph CEC 15 CEC
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