水稻田土壤甲烷氧化活性及其环境影响因子的研究-土壤学报-中国.PDF

39 5 Vol39, No5 2002 9 ACTA PEDOLOGICA SINICA Sep. , 2002 * 闵 航 陈中云 陈美慈 ( , , 310029) pH ( AMOS) ( AAMOS) 1 2 , AMOS , , AAMOS pH AAMOS , AAMOS AMOS , 25~ 35 50 6h , , 28 pH pH 6~ 7 , pH 3 pH 9 , , , pH, , , S154 IPCC[ 1] , 540 T , 70% , 20~ 100 T , 4% ~ 19% , , , , [2~ 4] , ( pH ) , , * ( 971531) : 2001- 01- 11; : 2001- 08- 29 5 : 687 1 11 A , [5] , , , ( 18% ) 100 , 1000 ml , 28 , , pH 1 1 Table 1 Some important physical and chemical properties of tested Huan son paddy soil pH N P K Name of soil Electric conductivity Solubility N Available P Available K Active or anic (s cm- 1) (m k - 1) ( m k - 1) (m k - 1) matter( k - 1) 7. 15 2. 12 102 88. 54 43. 8 48. 98 22. 2 pH : = 13 , SPM10A pH ; : DDS11A ; : 0. 5 mol L- 1NaHCO , ; : 1 mol L- 1NH OAc , ; N 3 4 : ; : 12 100 ml , 20 , , 0. 5 ml , 28 13 100 ml , 20 , 23% , 0. 5 ml , 14 pH 100 ml , 20 , 1mol L- 1NaOH 1mol L- 1HCl, pH( 23% ) , 0. 5 ml 28 , , 1d pH 15 100 ml , 20 , 99999% 5 min, 28 16 102G 100% , 100 ml , , : N 25ml min- 1, H 60~ 70ml min- 1,