富硒土壤养分质量与富硒水稻评价——以新会区衙门镇雅溪农业区为例

Q2 Earth and Planetary Sciences
俊豪 邓
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引用次数: 0

摘要

为促进衙门镇富硒农产品产业的发展,本文在衙门镇新会衙西地区进行了详细的地球化学调查,确定了该地区的养分分布,并对土壤养分进行了质量评价。共采集表层土壤样品600份、水稻样品23份、根系土壤样品23份,对氮、磷、钾、有机质、钼、铜、锌、锗、硒、ph等10项指标进行检测分析。结果表明:1)研究区硒资源丰富,表层土壤硒含量在0.09 ~ 2.27 mg/kg之间,平均值为0.75 mg/kg;2)研究区土壤养分综合水平基本处于亏缺至中度亏缺状态,大量元素处于第三级。土壤一般为中酸性至强酸性,锌、铜含量较低,一般为缺至中缺,土壤有机质、锗、钼含量相对丰富;3)研究区水稻中硒含量与其根土中硒含量的相关系数达到0.42,关系密切,说明富硒土壤中生长的水稻富硒潜力较大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment of Selenium-Rich Soil Nutrient Quality and Selenium-Rich Rice: Taking Yaxi Agricultural Area in Yamen Town, Xinhui District as an Example
To promote the development of the selenium-rich agricultural products industry in Yamen Town, this article conducted a detailed geochemical survey in the Yaxi area of Xinhui, Yamen Town, to determine the distribution of nutrients in the region and conduct a quality evaluation of soil nutrients. A total of 600 surface soil samples, 23 rice samples, and 23 root soil samples were collected for testing and analysis of 10 indicators, including nitrogen, phosphorus, potassium, organic matter, molybdenum, copper, zinc, germanium, selenium, and pH. The results showed that: 1) the selenium resources in the study area are rich, with the selenium content of the surface soil ranging from 0.09 to 2.27 mg/kg, with an average value of 0.75 mg/kg; 2) the comprehensive level of soil nutrients in the study area is basically deficient to moderately deficient, and a large number of elements are at the third level. The soil is generally of medium to strong acidity, with low levels of zinc and copper, which are generally deficient to moderately deficient, while the soil organic matter, germanium, and molybdenum content are relatively abundant; 3) the correlation coefficient between the selenium in rice grown in the study area and the selenium in its root soil reached 0.42, indicating a close relationship, and indicating that rice grown in selenium-rich soil has greater potential for selenium enrichment.
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来源期刊
Advances in Geosciences
Advances in Geosciences Earth and Planetary Sciences-Earth and Planetary Sciences (miscellaneous)
CiteScore
3.70
自引率
0.00%
发文量
16
审稿时长
30 weeks
期刊介绍: Advances in Geosciences (ADGEO) is an international, interdisciplinary journal for fast publication of collections of short, but self-contained communications in the Earth, planetary and solar system sciences, published in separate volumes online with the option of a publication on paper (print-on-demand). The collections may include papers presented at scientific meetings (proceedings) or articles on a well defined topic compiled by individual editors or organizations (special publications). The evaluation of the manuscript is organized by Guest-Editors, i.e. either by the conveners of a session of a conference or by the organizers of a meeting or workshop or by editors appointed otherwise, and their chosen referees.
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