期刊文献+

添加无定形铝氧化物对雷竹林土壤有机质矿化的影响 被引量:5

Effects of Amorphous Aluminum Hydroxide Addition on Soil Organic Matter Decomposition in Phyllostachy spraecox. Preveynalis with Intensive Management
在线阅读 下载PDF
导出
摘要 土壤中无定形铝氧化物对有机质的存在有很大的影响,由于雷竹特殊的经营方式导致土壤中有机质快速积累,为了解无定形铝氧化物对土壤中快速积累的有机质分解产生的影响,本文通过往不同种植年限的雷竹林土壤中增加不同量的无定形铝氧化物(0、2、10、20、40g/kg)以及室内密闭培养法测定CO2的释放量来反映有机质的分解状况,以便了解无定形铝氧化物对快速增加的雷竹林土壤有机质分解的影响,了解集约经营下的雷竹林土壤有机质的变化趋势及稳定性。结果表明,无定形铝氧化物的加入可显著抑制土壤有机质的分解,当无定形铝氧化物的加入量为40g/kg时,对0年(水稻)、1年、5年、15年雷竹林土壤有机质分解的抑制率分别为56.97%、60.75%、58.87%、44.25%;0年(水稻)土壤加入无定形铝氧化物0、2、10、20、40g/kg,对有机质分解的抑制效率分别为7.49%、38.04%、50.79%、56.98%。无定形铝氧化物对有机质分解的抑制效率随其加入量的增加而提高,但随土壤有机质含量的增加而下降。 Soil organic matter (SOM) accumulates rapidly in the Phyllostachy spraecox. Preveynalis soil due to its special intensive management. Enriched soil Al may exert a great effect on SOM decomposition. In this paper, an in-vitro incubation experiment was conducted to investigate the influence of amorphous aluminum hydroxide (AAH) additions (0, 2, 10, 20 and 40 g/kg respectively) on SOM of Phyllostachy spraecox Preveynalis. Results showed that the addition of AAH significantly inhibited SOM decomposition. The inhibition rates were 56.97%, 60.75%, 58.87% and 44.25% respectively on the soils with 0, 1, 5, 15 planting years when 40 g/kg Al addition, while the inhibition rates on the control soil (paddy soil) were 7.49%, 38.04%, 50.79% and 56.98% respectively when Al addition rate were 0, 2, 10, 20, and 40 g/kg. Overall, the inhibition rate on SOM decomposition increased with increasing Al addition amount but decreased with increasing SOM content.
出处 《土壤》 CAS CSCD 北大核心 2009年第4期635-640,共6页 Soils
基金 国家自然基金项目(40671109) 浙江省森林培育重中之重学科开放基金项目(2007)资助
关键词 雷竹土壤 无定形铝氧化物 有机质分解 Bamboo soil, Amorphous aluminum hydroxide, Organic matter decomposition
  • 相关文献

参考文献23

  • 1蔡荣荣,黄芳,孙达,秦华,杨芳,庄舜尧,周国模,曹志洪.集约经营雷竹林土壤有机质的时空变化[J].浙江林学院学报,2007,24(4):450-455. 被引量:26
  • 2Wolfgang Z, Nicola S, Georg G, Klaus K, Johannes L, Teodoro MM, Anja M, Gijtz S. Factors controlling humification and mineralization of soil organic matter in the tropics. Geoderma, 1997, 79:117-161.
  • 3Baldock JA, Skjemstad JO. Role of the soil matrix and minerals in protecting natural organic materials against biological attack. Org. Geochem., 2000, 31:697-710.
  • 4Hughes JC. High gradient magnetic separation of some soil clays from Nigeria, Brazil and Colombia. Ⅰ. The interrelationships of iron and aluminum extracted by acid ammonium oxalate and carbon. J. Soil Sci., 1982, 33:509-519.
  • 5Johnson DW, Todd DE. Relationship among iron aluminum carbon and sulphate in a variety of forest soils. Soil Sci. Soc., 1983, 47:792-800.
  • 6Adams WA, Kassim JK. Iron oxyhydroxides in soils developed from Lower Palaeozoic sedimentary rocks in mid-Wales and implications for some pedogenic processes. J. Soil Sci., 1984, 35: 117-126.
  • 7Evans I.J, Wilson WG. Extractable Fe, Al, Si, and C in B horizons of podzolic and brunisolic soils from Ontario. Can. J. Soil Sci., 1985, 65:489-496.
  • 8Skjemstad JO, Bushby HVA, Hansen RW. Extractable Fe in the surface horizons of a range of soils from Queensland. Aust. J. Soil Res., 1989, 28:259-266.
  • 9Kaiser K, Guggenberger G The role of DOM sorption to mineral surfaces in the preservation of organic matter in soils. Org. Geoehem., 2000, 31: 711-725.
  • 10Veldkemp E. Organic carbon turnover in three tropical soils under pasture after deforestation, Soil Sci. Soc. J., 1994, 58:175-180.

二级参考文献18

共引文献139

同被引文献91

引证文献5

二级引证文献21

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部