贺　昊, 聂三安, 孙　梅, 邓耀辉, 罗尊长, 尹颛斌, 龙泽东, 孙　耿. “一种两收”下3种糯高粱生长及镉吸收的比较研究[J]. 土壤通报, 2024, 55(1): 214 − 221. DOI: 10.19336/j.cnki.trtb.2022092701
引用本文: 贺　昊, 聂三安, 孙　梅, 邓耀辉, 罗尊长, 尹颛斌, 龙泽东, 孙　耿. “一种两收”下3种糯高粱生长及镉吸收的比较研究[J]. 土壤通报, 2024, 55(1): 214 − 221. DOI: 10.19336/j.cnki.trtb.2022092701
shu
HE Hao, NIE San-an, SUN Mei, DENG Yao-hui, LUO Zun-chang, YIN Zhuan-bin, LONG Ze-dong, SUN Geng. Comparative Study on the Growth and Cadmium Absorption of Three Glutinous Sorghum Varieties under "A Two-Harvests"[J]. Chinese Journal of Soil Science, 2024, 55(1): 214 − 221. DOI: 10.19336/j.cnki.trtb.2022092701
Citation: HE Hao, NIE San-an, SUN Mei, DENG Yao-hui, LUO Zun-chang, YIN Zhuan-bin, LONG Ze-dong, SUN Geng. Comparative Study on the Growth and Cadmium Absorption of Three Glutinous Sorghum Varieties under "A Two-Harvests"[J]. Chinese Journal of Soil Science, 2024, 55(1): 214 − 221. DOI: 10.19336/j.cnki.trtb.2022092701
shu

“一种两收”下3种糯高粱生长及镉吸收的比较研究

Comparative Study on the Growth and Cadmium Absorption of Three Glutinous Sorghum Varieties under "A Two-Harvests"

    摘要
  • 摘要:
      目的  为探究3种糯高粱生长及其对镉污染农田土壤中的镉吸收移除效果。
      方法  选用“川糯粱1号”、“兴湘粱2号”和“晋糯梁5号”为实验材料，以休耕为对照，采用“一种两收”种植方式，研究3种糯高粱的生长和镉吸收差异及其对土壤养分和镉含量的影响。
      结果  兴湘梁2号的两季秸秆生物量最高（19461.0 kg hm−2），其次为晋糯梁5号（19143.5 kg hm−2），川糯梁1号最低（18982.5 kg hm−2）。兴湘梁2号的两季籽粒产量最高（11887.0 kg hm−2），其次为川糯粱1号（11527.5 kg hm−2），晋糯梁5号最少（10929.5 kg hm−2）。兴湘梁2号秸秆和籽粒镉吸收量分别为15342.0 mg hm−2和186.0 mg hm−2，其秸秆两季镉吸收量显著高于川糯粱1号和晋糯梁5号。3种糯高粱品种头季和再生季植株镉含量、土壤pH值和有效镉含量均无显著差异。
      结论  在镉轻度污染农田中，“一种两收”的糯高粱种植方式是可复制可推广的模式，可为区域重金属污染土壤治理提供技术支撑；另外，兴湘梁2号是本地区更适宜推广的糯高粱品种。

     

    Abstract:
      Objective  The purpose of this study was to investigate the absorption and removal effects of three kinds of glutinous sorghum on cadmium-polluted paddy soil.
      Method  "Chuannuoliang1 (CCN-1)", "Xingxiangliang 2 (XXL-2)" and "Jinnuoliang 5 (JNL-5)" were selected as experimental materials. The differences of cadmium absorption in growth and above-ground parts of three kinds of glutinous sorghum and their effects on soil nutrients and soil cadmium content were studied by using "A Two-Harvests" planting method with fallow as control.
      Results  The results showed that the annual straw biomass of XXL-2 was the highest (19,461.0 kg hm−2), followed by JNL-5 (19,143.5 kg hm−2) and CNL-1 was the lowest (18,982.5 kg hm−2). The annual grain yield of XXL-2 was the highest (11887.0 kg hm−2), followed by CNL-1 (11527.5 kg hm−2) and JNL-5 was the lowest (10929.5 kg hm−2). The cadmium absorption of straw and grain of XXL-2 was 15342.0 mg hm−2 and 186.0 mg hm−2, respectively. The annual cadmium absorption of straw of XXL-2 was significantly higher than that of CNL-1 and JNL-5. There were no significant differences in Cd content, soil pH and available Cd content between the first and regenerated seasons of 3 glutinous sorghum varieties.
      Conclusion  The results showed that the planting mode of glutinous sorghum with "A Two-Harvests" in slight cadmium-polluted paddy fields was a reproducible and popularizing management mode, which could provide technical support for regional heavy metal control. In addition, xxl-2 was a more suitable variety for promotion in this area.

     

    • HTML全文
    • 参考文献(34)
    • 相关文章
    • 施引文献
  • 资源附件(0)

/

返回文章
返回