不同相伴阴离子对镉污染红壤的微生物活性影响 - 土壤学报.pdf

40 5 Vol40, No5 2003 9 ACTA PEDOLOGICA SINICA Sep. , 2003 * 滕 应 黄昌勇 姚槐应 龙 健 ( , 310029) - , OAc - - - Cl , , OAc Cl , (p 005) - - , OAc Cl - - , OAc , OAc - Cl , , , , S15436 [ 1, 2] , , , , [ 3] , 30 , ( CdCuPbn ) [3~ 12] , , ( ) , , [13~ 17] , , [ 15~ 17] , , - , (OAc ) - (Cl ) , 1 11 , ( ) ( ) , 0~ 20 cm , 2 mm , , 4 1 * ( : G1999011809) ; ( : : 2001- 12- 17, : 2002- 05- 22 5 : 739 1 Table 1 Basic physical and chemical properties of the red soils used Size composition( %) pH Organic C Total N AvailN CEC 2~ 002mm 002~ 0002mm 0002mm Soil types (H O) 2 - 1 - 1 - 1 - 1 (g kg ) (g kg ) ( mg kg ) ( cmol kg ) 545 1746 192 12752 1216 2712 3785 3503 668 781 065 7827 643 6854 1878 1268 12 , 5 , Cd 0 - 1 - - 153050 100 mg kg OAc Cl : 0027053089178 mmol kg- 1 ,, - - ,