2016,35(4)627-633 。21m种学m3学报 2016年4月 张淼,叶长城,喻理,等.矿物硅肥与微生物菌剂对水稻吸收积累镉的影响]农业环境科学学报,2016,35(4):627-633. ZHANG Miao, YE Chang-cheng, YU Li, et al. Effects of mineral silicon fertilizer and microbial agent on uptake and accumulation of cadmium by rice[J]. Jour- nad of Agro-Enrironment Science, 2016, 35(4): 627-633 矿物硅肥与微生物菌剂对水稻吸收积累镉的影响 张淼,叶长城,喻理,彭鸥,张燕,许蒙,陈喆,铁柏清 (湖南农业大学资源环境学院,长沙410128) 摘要:采用室外盆栽试验和田间随机区组试验相结合的方法,研究基施矿物硅肥、微生物菌剂、矿物硅肥与微生物菌剂组配施 用,对湖南地区晚稻成熟期内各部位中Cd的含量及产量的影响。结果表明,在盆栽试验中,与CK相比,微生物菌剂处理对水稻根 部、茎鞘、谷壳和糙米中Cd含量的抑制效果最佳,降低幅度分别为46.19%、52.46%、38.39%和5531%,而矿物硅肥处理对叶片中 Cd含量的抑制效果最佳,降低幅度为5439%;在田间随机区组试验中,与CK相比,矿物硅肥处理对水稻根部、茎鞘和叶片中Cd含 量的抑制效果最佳,降低幅度分别为7391%、71.28%和7677%,而微生物菌剂处理对谷壳和糙米中Cd含量的抑制效果最佳,降低 幅度分别为6552%和6957%。对于轻度污染土壤施用三种改良剂后,糙米中Cd含量明显降低,分别为0.09、0.07、0.12mg·kg, 均能达到国家食品卫生标准(Cd<0.2mg·kg-);水稻产量方面,施用改良剂均能使水稻增产,其中以矿物硅肥+微生物菌剂组配处理 的效果最为显著,在盆栽试验和田间随机区组试验中,分别比对照增产28.06%和31.1%。 关键词:镉污染;水稻;硅肥;微生物菌剂;配施 中图分类号:X171.5文献标志码:A文章编号:1672-2043(2016)04-0627-07doi:10.11654jaes2016.04.003 Effects of mineral silicon fertilizer and microbial agent on uptake and accumulation of cadmium by rice ZHANG Miao, YE Chang-cheng, YU Li, PENG Ou, ZHANG Yan, XU Meng, CHEN Zhe. TIE Bai-qin College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China) Abstract: In pot and field experiments, the effects of base mineral silicon fertilizer and microbial agent alone and in combination on the concentrations of Cd in different parts and the yield of late rice were investigated during maturation period in Hunan region. Results showed that the microbial agent was more effective in reducing Cd accumulation in rice than mineral silicon fertilizer was. The Cd content in roots. leaves, sheaths and chaffs was 46.19%0, 52.46%, 38.39% and 52. 46% lower in microbial agent treatment than in CK, respectively. The min eral silicon fertilizer was more useful for reducing Cd content in the leaves, with 54.39% Cd reduction compared with CK in the pot experi mentIn the field experiment, the mineral silicon fertilizer was the most effective in inhibiting Cd accumulation in roots, leaf sheaths and blades of rice among the three treatments, with a 73.91%, 71.28%, and 76.77% reduction in Cd content as compared with CK, respectively, while in microbial agent treatment the Cd content in chaff and brown rice reduced by 65.52% and 69.57%, respectively, compared with CK In slightly contaminated soil, three treatments significantly reduced Cd content in brown rice, which was 0.09 mg.kg".0.07 mg. kg",and 0 12 mg.kg"in silicon fertilizer, microbial agent and their combination, respectively, meeting the national food health standards( Cd<0. 2 mgkg-i). The yields of the rice were significantly increased by three treatments, with greatest yield increase found in combined silicon fer tilizer and microbial agent treatment, in which there were 31. 1% and 28.06% yield increases in the pot and field experiments, respectively as compared with the CK Keywords: Cd pollution; rice; silicon fertilizers; microbial agents; combined application 收稿日期:2015-11-15 者简介:张淼(1990-),女,硕士研究生,研究方向为环境污染治理与修复。E-mail:402310980@qco *通信作者:铁柏清E- mail: tiebq@qcom摘 要：采用室外盆栽试验和田间随机区组试验相结合的方法，研究基施矿物硅肥、微生物菌剂、矿物硅肥与微生物菌剂组配施 用，对湖南地区晚稻成熟期内各部位中 Cd 的含量及产量的影响。结果表明，在盆栽试验中，与 CK 相比，微生物菌剂处理对水稻根 部、茎鞘、谷壳和糙米中 Cd 含量的抑制效果最佳，降低幅度分别为 46.19%、52.46%、38.39%和 55.31%，而矿物硅肥处理对叶片中 Cd 含量的抑制效果最佳，降低幅度为 54.39%；在田间随机区组试验中，与 CK 相比，矿物硅肥处理对水稻根部、茎鞘和叶片中 Cd 含 量的抑制效果最佳，降低幅度分别为 73.91%、71.28%和 76.77%，而微生物菌剂处理对谷壳和糙米中 Cd 含量的抑制效果最佳，降低 幅度分别为 65.52%和 69.57%。对于轻度污染土壤，施用三种改良剂后，糙米中 Cd 含量明显降低，分别为 0.09、0.07、0.12 mg·kg-1， 均能达到国家食品卫生标准（Cd<0.2 mg·kg-1）；水稻产量方面，施用改良剂均能使水稻增产，其中以矿物硅肥+微生物菌剂组配处理 的效果最为显著，在盆栽试验和田间随机区组试验中，分别比对照增产 28.06%和 31.1%。 关键词：镉污染；水稻；硅肥；微生物菌剂；配施 中图分类号：X171.5 文献标志码：A 文章编号：1672-2043（2016）04-0627-07 doi:10.11654/jaes.2016.04.003 矿物硅肥与微生物菌剂对水稻吸收积累镉的影响 张 淼，叶长城，喻 理，彭 鸥，张 燕，许 蒙，陈 喆，铁柏清 * （湖南农业大学资源环境学院，长沙 410128） Effects of mineral silicon fertilizer and microbial agent on uptake and accumulation of cadmium by rice ZHANG Miao, YE Chang-cheng, YU Li, PENG Ou, ZHANG Yan, XU Meng, CHEN Zhe, TIE Bai-qing* （College of Resources and Environment, Hunan Agricultural University , Changsha 410128, China） Abstract：In pot and field experiments, the effects of base mineral silicon fertilizer and microbial agent alone and in combination on the concentrations of Cd in different parts and the yield of late rice were investigated during maturation period in Hunan region. Results showed that the microbial agent was more effective in reducing Cd accumulation in rice than mineral silicon fertilizer was. The Cd content in roots, leaves, sheaths and chaffs was 46.19%, 52.46%, 38.39% and 52.46% lower in microbial agent treatment than in CK, respectively. The min原 eral silicon fertilizer was more useful for reducing Cd content in the leaves, with 54.39% Cd reduction compared with CK in the pot experi原 ment. In the field experiment, the mineral silicon fertilizer was the most effective in inhibiting Cd accumulation in roots, leaf sheaths and blades of rice among the three treatments, with a 73.91%, 71.28%, and 76.77% reduction in Cd content as compared with CK, respectively, while in microbial agent treatment the Cd content in chaff and brown rice reduced by 65.52% and 69.57%, respectively, compared with CK. In slightly contaminated soil, three treatments significantly reduced Cd content in brown rice, which was 0.09 mg·kg -1 , 0.07 mg·kg -1 , and 0.12 mg·kg-1 in silicon fertilizer, microbial agent and their combination, respectively, meeting the national food health standards（Cd<0.2 mg·kg-1）. The yields of the rice were significantly increased by three treatments, with greatest yield increase found in combined silicon fer原 tilizer and microbial agent treatment, in which there were 31.1% and 28.06% yield increases in the pot and field experiments, respectively, as compared with the CK. Keywords：Cd pollution; rice; silicon fertilizers; microbial agents; combined application 收稿日期：圆园15原11原15 作者简介：张 淼（1990—），女，硕士研究生，研究方向为环境污染治理与修复。E-mail：402310980@qq.com * 通信作者：铁柏清 E-mail：tiebq@qq.com 圆园16，35（4）:627-633 农 业环境 科 学学报 2016 年 4 月 允燥怎则灶葬造 燥枣 粤早则燥鄄耘灶增蚤则燥灶皂藻灶贼 杂糟蚤藻灶糟藻 张 淼，叶长城，喻 理, 等. 矿物硅肥与微生物菌剂对水稻吸收积累镉的影响[J]. 农业环境科学学报, 2016, 35（4）：627-633. ZHANG Miao, YE Chang-cheng, YU Li, et al. Effects of mineral silicon fertilizer and microbial agent on uptake and accumulation of cadmium by rice[J]. 允燥怎则原 灶葬造 燥枣 粤早则燥-耘灶增蚤则燥灶皂藻灶贼 杂糟蚤藻灶糟藻, 2016, 35（4）: 627-633