修复植物香薷堆肥对缺铜土壤上冬小麦生长和铜吸收的初步研究
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国家高技术研究发展计划项目(2004AA649050);国家重点基础研究发展规划项目(2002CB410809);国家杰出青年基金项目(40125005;0432005);中国科学院知识创新项目(CXTD-Z2005-4)资助


Preliminary Study on Effect of Elsholtzia Splendens Compost on Plant Growth and Cu Uptake by Winter Wheat in a Cu-Deficient Upland Soil
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    摘要:

    通过堆积腐解处理生长在Cu污染土壤上的修复植物-海州香薷,将其研制成堆肥,作为基肥施用于缺Cu土壤,以矫正作物缺Cu症状。盆栽试验研究了这种堆肥对冬小麦(Triticum aestivum L.)生长和Cu吸收的影响。结果表明,施用海州香薷堆肥可显著提高生长在缺Cu土壤上的小麦的株高、生物量和籽实千粒重。与CK相比,千粒重可提高58.9%,籽实产量提高近1倍;而在这种缺Cu土壤上单纯施加N、P、K化肥,反而降低小麦生物量和籽实千粒重。可见,将Cu污染土壤上生长的修复植物海州香薷制成堆肥,施用于缺Cu土壤是一种可实现修复植物资源化的有效途径。

    Abstract:

    A pot experiment was conducted to examine the effect of compost from Elsholtzia splendens on growth and Cu uptake of winter wheat (Triticum aestivum L.) grown in a Cu-deficient soil. Results showed that application of the compost significantly increased plant height, biomass and 1000-grain weight. The compost increased 1000-grain weight by 58.9% and grain yield by one fold compared to those of the control. Simply amendment of chemical fertilizer to the Cu deficient soil decreased wheat 1000-grain weight and grain biomass. The results indicated that composting Elsholtzia splendens grown in a Cu-contaminated soil and then applying the compost to a Cu -deficient soil is a feasible and effective way.

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唐明灯,吴龙华,李宁,骆永明,胡锋,张良兴.修复植物香薷堆肥对缺铜土壤上冬小麦生长和铜吸收的初步研究[J].土壤,2006,38(5):614-618. TANG Ming-deng, WU Long-hua, LI Ning, LUO Yong-ming, HU Feng, ZHANG Liang-xing. Preliminary Study on Effect of Elsholtzia Splendens Compost on Plant Growth and Cu Uptake by Winter Wheat in a Cu-Deficient Upland Soil[J]. Soils,2006,38(5):614-618

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  • 在线发布日期: 2017-05-20
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