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  • 1
    Online Resource
    Online Resource
    Phosphate-modified ferric-based material remediates lead and arsenic co-contaminated soil and enhances maize seedling growth
    Springer Science and Business Media LLC ; 2020
    In:  Environmental Science and Pollution Research Vol. 27, No. 7 ( 2020-03), p. 7234-7243
    Details
    In: Environmental Science and Pollution Research, Springer Science and Business Media LLC, Vol. 27, No. 7 ( 2020-03), p. 7234-7243
    Type of Medium: Online Resource
    ISSN: 0944-1344 , 1614-7499
    URL: Article
    DOI: 10.1007/s11356-019-07356-4
    RVK:
    AR 10100
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 2014192-0
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  • 2
    Online Resource
    Online Resource
    Silicon Calcium Fertilizer Application and Foliar Spraying with Silicon Fertilizer Decreases Cadmium Uptake and Translocation in Rice Grown in Polluted Soil
    MDPI AG ; 2023
    In:  Agronomy Vol. 13, No. 4 ( 2023-04-20), p. 1170-
    Details
    In: Agronomy, MDPI AG, Vol. 13, No. 4 ( 2023-04-20), p. 1170-
    Abstract: Rice cultivated in Cd-polluted acidic paddy soil poses important health risks in China. Decreasing Cd accumulation in rice is important for food safety and human health. Early rice cultivar ZY-819 and late rice cultivar XWX-13 with low Cd-accumulation potentials, and early rice cultivar LY-996 and late rice cultivar YZX with high Cd-accumulation potentials, were grown in mildly polluted double-cropping paddy fields (Cd content 0.3–0.6 mg kg−1). The effects of adding biochar (10 t ha−2), lime (1500 kg ha−2), and silicon–calcium fertilizer (SC; 2250 kg ha−2) and foliar spraying with silicon fertilizer solution (Si; 1500 g ha−2) on Cd uptake and transport in rice, were assessed in plot experiments. The soil amendments and foliar spraying decreased the Cd content of brown rice from the high Cd-accumulation potential cultivars. The soil amendments decreased the Cd content of LY-996 and YZX brown rice by 25.24–32.40% and 32.99–44.16%, respectively, and SC decreased the Cd content most. Foliar spraying with Si decreased the Cd content of LY-996 and YZC brown rice by 23.79% and 26.40%, respectively. When soil amendments and foliar spraying were combined, the Cd content of brown rice was decreased most by the SC–Si treatment. Compared with the control, the SC–Si treatment decreased the Cd content of LY-996, ZY-819, YZX, and XWX-13 brown rice by 45.63%, 35.67%, 52.79%, and 32.03%, respectively. Soil amendments can effectively decrease Cd uptake by rice roots and Cd migration from roots to shoots. Compared with the control, the soil amendments increased the soil pH and decreased Cd availability. The strongest effects were for the lime and SC treatments. Foliar spraying with Si can effectively decrease Cd translocation through stems and leaves to brown rice. Applying SC fertilizer and foliar spraying with Si is the best method for decreasing the Cd content of rice grown in mildly Cd-polluted paddy fields.
    Type of Medium: Online Resource
    ISSN: 2073-4395
    URL: Article
    DOI: 10.3390/agronomy13041170
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2607043-1
    SSG: 23
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  • 3
    Online Resource
    Online Resource
    Combined Utilization of Chinese Milk Vetch, Rice Straw, and Lime Reduces Soil Available Cd and Cd Accumulation in Rice Grains
    MDPI AG ; 2023
    In:  Agronomy Vol. 13, No. 3 ( 2023-03-18), p. 910-
    Details
    In: Agronomy, MDPI AG, Vol. 13, No. 3 ( 2023-03-18), p. 910-
    Abstract: Cadmium (Cd) pollution poses a growing threat to rice production in acidic paddies. In south China, a common agricultural practice involves the combined utilization of Chinese milk vetch (M) and rice straw (R). However, it is unclear how the addition of lime to these amendments affects Cd bioavailability and accumulation in soil. Control (CK), chemical fertilizer (F), Chinese milk vetch + rice straw + chemical fertilizer (MRF), and Chinese milk vetch + rice straw + chemical fertilizer + lime (MRFL) treatments were applied to develop a kind of green, efficient, and practical amendment for acidic paddies. We conducted a microplot experiment to explore Cd immobilization in paddy soil and the Cd content in rice grains with these treatments. The results showed that compared with F, the rice Cd in the MRF and MRFL treatments were significantly decreased by 51.7% and 65.2% in early rice and 23.0% and 43.3% in late rice, respectively. Both the MRF and MRFL treatments significantly reduced soil available Cd and weak acid-extractable cadmium (Aci-Cd) concentrations and increased soil organic matter (SOM), exchangeable cation concentrations, and pH, which converted Cd into a stable form in soil. In addition, the MRF and MRFL treatments increased soil pH value by reducing soil exchangeable hydrogen ion concentration (E-H). Additionally, recombination of Cd forms was the primary factor in the reduction in available Cd concentration according to partial least squares path modeling (PLS-PM) analysis. The Cd concentration of rice grains was primarily associated with soil available Cd, soil pH value, and SOM. Overall, these results provide useful data and novel insights into reducing rice grain Cd in south China.
    Type of Medium: Online Resource
    ISSN: 2073-4395
    URL: Article
    DOI: 10.3390/agronomy13030910
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2607043-1
    SSG: 23
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  • 4
    Online Resource
    Online Resource
    Soil Cd bioavailability response characteristics to microbes in paddy fields with co-incorporation of milk vetch, rice straw and amendments
    Elsevier BV ; 2024
    In:  Science of The Total Environment Vol. 935 ( 2024-07), p. 173306-
    Details
    In: Science of The Total Environment, Elsevier BV, Vol. 935 ( 2024-07), p. 173306-
    Type of Medium: Online Resource
    ISSN: 0048-9697
    URL: Article
    DOI: 10.1016/j.scitotenv.2024.173306
    RVK:
    AR 10100
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2024
    detail.hit.zdb_id: 1498726-0
    detail.hit.zdb_id: 121506-1
    SSG: 12
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  • 5
    Online Resource
    Online Resource
    Synthesis of magnetic rhenium sulfide composite nanoparticles
    Elsevier BV ; 2009
    In:  Journal of Magnetism and Magnetic Materials Vol. 321, No. 19 ( 2009-10), p. 3311-3317
    Details
    In: Journal of Magnetism and Magnetic Materials, Elsevier BV, Vol. 321, No. 19 ( 2009-10), p. 3311-3317
    Type of Medium: Online Resource
    ISSN: 0304-8853
    URL: Article
    DOI: 10.1016/j.jmmm.2009.06.049
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2009
    detail.hit.zdb_id: 1479000-2
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  • 6
    Online Resource
    Online Resource
    Impacts of reforestation approaches on runoff control in the hilly red soil region of Southern China
    Elsevier BV ; 2008
    In:  Journal of Hydrology Vol. 356, No. 1-2 ( 2008-07), p. 174-184
    Details
    In: Journal of Hydrology, Elsevier BV, Vol. 356, No. 1-2 ( 2008-07), p. 174-184
    Type of Medium: Online Resource
    ISSN: 0022-1694
    URL: Article
    DOI: 10.1016/j.jhydrol.2008.04.007
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2008
    detail.hit.zdb_id: 240687-1
    detail.hit.zdb_id: 1473173-3
    SSG: 13
    SSG: 14
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  • 7
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    Online Resource
    Comparison of the Source–Sink Characteristics between Main Season and Ratooning in Rice (Oryza sativa L.)
    MDPI AG ; 2023
    In:  Agronomy Vol. 13, No. 7 ( 2023-06-28), p. 1731-
    Details
    In: Agronomy, MDPI AG, Vol. 13, No. 7 ( 2023-06-28), p. 1731-
    Abstract: Objectives: In order to find out the differences in source–sink characteristics of ratooning rice and main season rice and find approaches to increase the grain yield of ratooning rice, a sowing-by-stage method was adopted to synchronize main season rice with ratooning rice and induce their key growth stages under similar environmental conditions. The source–sink characteristics of four varieties under similar ecological conditions of main and ratooning rice were examined in 2019 and 2020. Results: The main results were: (1) The leaf area index (LAI) of the ratooning rice ranged from 0.54 to 1.44, while that of the LAI of main season rice was 4.67–7.71. The LAI of ratooning rice was much smaller than that of the main season rice; the former was only approximately 1/7–1/5 of the latter. (2) The photosynthesis (Pn) and net assimilation rate (NAR) of the ratooning rice were significantly higher than those of the main season rice before the milking–maturing stages. Still, at the late maturing stage, no definite tendency existed. (3) Ratooning rice transported 14C-assimilate from the flag leaf to the panicle at an estimated 81.43%, while main season rice transported 63.95%. The main stem’s top first and second internodes have been observed to be a major location for the 14C-assimilate in main season rice. (4) The grain yield of main season rice was 6029–7929 kg ha−1 while the grain yield of ratooning rice ranged from 2363–3297 kg ha−1. The sink capacity of the main season rice was approximately 2.4–3.6 times that of ratooning rice. The catalase activity of the rachis branches of the ratooning rice was higher than that of the main season rice. (5) The grain/leaf area (sink/source) ratio in the ratoon season rice was 1.69–2.46 times higher than that of the main season rice. Conclusions: The grain yields of ratooning rice were determined by the interaction of source and sink capacity while those of main season rice were mainly increased by enhancing sink capacity. Choosing varieties with heavier 1000 grain weight, exerting the advantages of higher photosynthetic rate and net assimilation rate of ratooning rice, promoting leaf area, and improving the transportation capacity of carbohydrate are the main approaches to increase the grain yield of ratooning rice.
    Type of Medium: Online Resource
    ISSN: 2073-4395
    URL: Article
    DOI: 10.3390/agronomy13071731
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2607043-1
    SSG: 23
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  • 8
    Online Resource
    Online Resource
    Table_3.docx
    Frontiers Media SA ; 2021
    In:  Frontiers in Plant Science Vol. 12 ( 2021-9-23)
    Details
    In: Frontiers in Plant Science, Frontiers Media SA, Vol. 12 ( 2021-9-23)
    Abstract: IbMYB1 was one of the major anthocyanin biosynthesis regulatory genes that has been identified and utilized in purple-fleshed sweet potato breeding. At least three members of this gene, namely, IbMYB1-1 , -2a , and -2b , have been reported. We found that IbMYB1-2a and -2b are not necessary for anthocyanin accumulation in a variety of cultivated species (hexaploid) with purple shoots or purplish rings/spots of flesh. Transcriptomic and quantitative reverse transcription PCR (RT-qPCR) analyses revealed that persistent and vigorous expression of IbMYB1 is essential to maintain the purple color of leaves and storage roots in this type of cultivated species, which did not contain IbMYB1-2 gene members. Compared with IbbHLH2 , IbMYB1 is an early response gene of anthocyanin biosynthesis in sweet potato. It cannot exclude the possibility that other MYBs participate in this gene regulation networks. Twenty-two MYB-like genes were identified from 156 MYBs to be highly positively or negatively correlated with the anthocyanin content in leaves or flesh. Even so, the IbMYB1 was most coordinately expressed with anthocyanin biosynthesis genes. Differences in flanking and coding sequences confirm that IbMYB2s , the highest similarity genes of IbMYB1 , are not the members of IbMYB1 . This phenomenon indicates that there may be more members of IbMYB1 in sweet potato, and the genetic complementation of these members is involved in the regulation of anthocyanin biosynthesis. The 3′ flanking sequence of IbMYB1-1 is homologous to the retrotransposon sequence of TNT1-94 . Transposon movement is involved in the formation of multiple members of IbMYB1 . This study provides critical insights into the expression patterns of IbMYB1 , which are involved in the regulation of anthocyanin biosynthesis in the leaf and storage root. Notably, our study also emphasized the presence of a multiple member of IbMYB1 for genetic improvement.
    Type of Medium: Online Resource
    ISSN: 1664-462X
    URL: Article
    URL: Article
    URL: Article
    URL: Article
    URL: Article
    DOI: 10.3389/fpls.2021.688707
    DOI: 10.3389/fpls.2021.688707.s001
    DOI: 10.3389/fpls.2021.688707.s002
    DOI: 10.3389/fpls.2021.688707.s003
    DOI: 10.3389/fpls.2021.688707.s004
    Language: Unknown
    Publisher: Frontiers Media SA
    Publication Date: 2021
    detail.hit.zdb_id: 2687947-5
    detail.hit.zdb_id: 2613694-6
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  • 9
    Online Resource
    Online Resource
    Effects of Organic and Inorganic Fertilizers on Soil Nutrient Conditions in Rice Fields with Varying Soil Fertility
    MDPI AG ; 2023
    In:  Land Vol. 12, No. 5 ( 2023-05-07), p. 1026-
    Details
    In: Land, MDPI AG, Vol. 12, No. 5 ( 2023-05-07), p. 1026-
    Abstract: The majority of crop-growing areas in China have low or medium fertility levels, which limits the yield of crops grown in those areas. Fertilizer application can improve soil quality, but the effects of such treatments vary depending on the base soil fertility. However, the specific differences associated with the application of different fertilizer types to soils of varying fertility levels have yet to be clearly delineated. Here, the influences of several fertilizer types on physical, chemical, and biological soil indicators were assessed in rice fields in the red soil area of Hunan Province with varying base fertility levels: Hehua (low fertility), Dahu (medium fertility), and Longfu (high fertility). Four treatments were applied to these fields: no fertilizer, standard fertilizer, 60% chemical fertilizer + 40% organic fertilizer, and 100% chemical fertilizer. Across the three sites and treatment groups, the largest increases in total nitrogen and phosphorus contents were in Hehua and Longfu, respectively. Soil organic matter content increased most significantly in Hehua. Application of any type of fertilizer increased the total and fast-acting nutrient content in the low-yielding fields, whereas organic fertilizers increased the nutrient content and soil biological indicators more than chemical fertilizer alone did; the effect of organic fertilizer application on the combined enzyme activity of the soil was also higher than that of chemical fertilizers alone. Overall, these experiments provide a theoretical basis and technical support for rational fertilizer application and improvement of Hunan’s red soil quality based on the natural soil fertility levels.
    Type of Medium: Online Resource
    ISSN: 2073-445X
    URL: Article
    DOI: 10.3390/land12051026
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2682955-1
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  • 10
    Online Resource
    Online Resource
    Effect of Decomposition of Mixed Litters with Conifer and Broadleaf Trees on Soil Microbial Communities Measured by PCR-DGGE* : Effect of Decomposition of Mixed Litters with Conifer and Broadleaf Trees on Soil Microbial Communities Measured by PCR-DGGE*
    China Science Publishing & Media Ltd. ; 2012
    In:  Chinese Journal of Appplied Environmental Biology Vol. 17, No. 2 ( 2012-1-4), p. 145-150
    Details
    In: Chinese Journal of Appplied Environmental Biology, China Science Publishing & Media Ltd., Vol. 17, No. 2 ( 2012-1-4), p. 145-150
    Type of Medium: Online Resource
    ISSN: 1006-687X
    URL: Article
    DOI: 10.3724/SP.J.1145.2011.00145
    Language: English
    Publisher: China Science Publishing & Media Ltd.
    Publication Date: 2012
    detail.hit.zdb_id: 2686479-4
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