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镉在水稻根际的生物有效性

Keywords: 水稻,,根际,生物有效性

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Abstract:

综合介绍了水稻根际土壤中的pH值、Eh值、有机质和微生物、其它金属元素及根分泌物等因素同镉的生物有效性之间的关系。提出水稻根系具有泌氧能力,使其根际微环境呈氧化状态。因而,土壤溶液中一些还原性物质被氧化,如Fe2+、Mn2+形成的氧化物在根表沉积成胶膜。胶膜及其根际环境对水稻吸收镉都有一定的影响。

References

[1]  陈维新等编. 农业环境保护[M].北京:中国农业出版社,1983.
[2]  夏增禄.中国土壤环境容量研究[M].气象出版社,1986.
[3]  董慕新,张 辉.锌、镉在水稻植物吸收积累中的相互作用[J].植物生理学通讯.1992;28(2):111~113.
[4]  Binghame F T et al. Cadmium availability to rice in sludge-amended soil under ‘flood’and‘noflood’cultures[J].Soil Sci Soc Am J,1976;40:715~719.
[5]  Bollag J M and Duszota M. Effect of the physiological state of microbial cells oncadmium sorption [J]. Arch Environ Con tanm toxicol, 1984;13:265~270.
[6]  Chanmugathas P.Tolerance and removal of cadmium by bacte-rial species under aerobicand anaerobic conditions. M. S. thesis. The Pennsylvania State University Park.1984.
[7]  Chanmugathas P,Bollag J-M.Microbial mobilization of cadmi-um in soil under aerobicand anaerobic conditions[J].J Environ Qual, 1987;16(2):161~167.
[8]  Del Castilho P and chardo W J.Uptake of soil cadmium by three field crops and itsprediction by a pH-dependent Freundlich sorption model[J]. Plant and Soil,1995;171:263~266.
[9]  Elgala A M and Amberger A. Root exudates and ability of corn to utilize insolublesources of iron[J]. J Plant Nutr, 1988;11:677~690.
[10]  Foy C D,Chaney R L,et al.The physiology of metalt toxicity in plants[J].Ann Rev PlantPhysiol,1978; 73:844~848.
[11]  Gambrell R P W H, Patrick Jr.Cu,Zn and Cd availability in asludge amended soil undercontrolled pH and redox potential conditions.In:b.Baryoref et al.(ed.)Inorganiccontaminants in the vadose zone. Springer Verlag.Berlin.1987.
[12]  Gambrell R P et al. The effects of pH,redox and salinity on metal release from acontaminated sediment[J]. Water Air Pollut,1991b;57~58:359~367.
[13]  Greipsson S. Effect of iron plaque on roots of rice on growth of plants in excesszinc and accumulation of phosphopus in plants in excess copper or nickel[J]. J PlantNutr,1995;18(8):1659~1665.
[14]  Kuo S.Concurrent sorption of phosphate and zinc、cadmium or calcium by ahydrousferric oxide[J].Soil Sci Am Pro,1986;35:722~725.
[15]  Morel J L,Mench M et al. Measurement of Pb2+,Cu2+ andbinding with macilage exudates from maize roots[J]. Biol Fertil Soils, 1986;2:29~34.
[16]  More J,Mench M et al. Dynamique des metaux lourds dans la rhizospere:role des exudatsracinaires[J].Rev Ecol Biol Sd,1987;24:485~492.
[17]  Otte L et al. Iron plaque on roots of Aster tripolium L. inter-action with Zincuptake. New Phytol, 1989;111:309~317.
[18]  Reddy C N et al.The effect of redox potential and pH on the uptake of cadmium andlead by rice plants[J]. J Environ Qual,1977;6:259~262.
[19]  Romheld V and Marschner H. Evidence for a specific uptake system for ironphytosiderophores in roots of grasses[J]. Plant Physiol,1986;80:175~180.
[20]  Root R A et al.Uptake ofcadmium-its toxicity and effect on theiron-to-zincratio in hydroponically grown corn[J]. J Environ quai,1975;4:473~476.
[21]  Soon Y K.Solibity and sorption of cadmium in soils amended with sewage sludge[J].JSoil Sci,1981;32:85~95.
[22]  Takagi S.Naturally occuring iron-chelating compounds in oat and rice rootwashings.I.Activity measurement and preliminery characterization[J].Soil Sci PlantNutr,1976;22:423~433.
[23]  Taylor G Tand Crowder A A.Use of the DCB technique for extraction of fhydrous ironoxides from roots of wetland plant[J].Amer J Bot,1983;70:1254~1257.
[24]  Treeby M et al.Mobilization of iron and micronutrient cations from a calcareous soilby plant borne,microbial and synthetic metal chelators[J].Plant and Soil, 1989;114:217~226.
[25]  TurnerMA.Effect of cadmium treatment on cadmium and zinc uptake by selected vegetablespecies.J Environ qual.1973;2:118~119.
[26]  Vasquez M D et al. Pulvinus and leaf abscission in cadmium treated bean plants(Phaseolusvulgaris)[J]. Can J Bot,1989;67:2756~2764.
[27]  Willaert G and Verloo M. Accumulation vanzware metaeln in groenten. Agri contalt197.1988.
[28]  Wong M K et al.The uptake of cadmium by Brassica Chinensis and its effect on plantzincand iron distribution[J]. Environ Expt Bot, 1984;24:189~195.
[29]  Xian X F et al. Effect of pH on chemical forms and plant availability on cadmium,zinc and lead in polluted soils[J]. Water Air Soil Pollut,1989;45:265~273.
[30]  Xian X F et al. Effect of chemical forms of cdmium,zinc and lead in polluted soil ontheir plant uptake by cabbage plants [J]. Plant and Soil,1989;113:257~264.
[31]  Yang X, Baligar V C et al. Cadmium effects on influx and transport of mineralnutrients in plant species[J]. J Plant Nutr, 1996; 19(3&4):643~656.

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