Effects of Applying Accumulator Straw in Cd-Contaminated Soil on Nutrient Uptake of Galinsoga parviflora
文献类型： 外文期刊
作者： Wang, Jin 1 ; Shi, Jun 2 ; Yang, Shuting 1 ; Lv, Xiulan 3 ;
作者机构： 1.Sichuan Agr Univ, Coll Hort, Chengdu, Sichuan, Peoples R China
2.Mianyang Acad Agr Sci, Mianyang, Sichuan, Peoples R China
3.Sichuan Agr Univ, Inst Pomol & Olericulture, Chengdu, Sichuan, Peoples R China
关键词： Accumulator straw;Cadmium contamination;Galinsoga parviflora;Nutrient uptake
期刊名称：PROCEEDINGS OF THE 2015 6TH INTERNATIONAL CONFERENCE ON MANUFACTURING SCIENCE AND ENGINEERING
ISSN： 2352-5401
年卷期： 2016 年 32 卷
页码：
收录情况： SCI
摘要： The effects of applying four accumulator species (Conyza canadensis, Cardamine hirsute, Eclipta prostrate and Nasturtium officinale) straws in cadmium (Cd) contaminated soil on phosphorus (P), potassium (K) and nitrogen (N) uptakes of Galinsoga parviflora were studied through the pot experiment. Five treatments were used in the experiment: control (no straw applied), and straw applied for each of the four plant species (C. canadensis, C. hirsute, E. prostrata and N. officinale). When applying the four accumulator species straws in Cd-contaminated soil, only E. prostrata straw and N. officinale straw increased the total P and K contents in roots, stems and leaves of G. parviflora compared with control, and E. prostrata straw was the best. Only applying straws of C. canadensis, C. hirsute and N. officinale increased the total N content in stems and leaves of G. parviflora compared with control, and the rank was C. canadensis straw > N. officinale straw > C. hirsuta straw > control. Therefore, only suitable applying accumulator straw could used to increase nutrient uptake of G. parviflora in Cd-contaminated soil.
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