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  • Li, ZichuanTianjin University, China (författare)

Impacts of silicon on biogeochemical cycles of carbon and nutrients in croplands

  • Artikel/kapitelEngelska2018

Förlag, utgivningsår, omfång ...

  • Elsevier,2018
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:lnu-78089
  • https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-78089URI
  • https://doi.org/10.1016/S2095-3119(18)62018-0DOI
  • https://lup.lub.lu.se/record/9fa3034d-7249-4db1-9a5c-adef6327bf0dURI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:for swepub-publicationtype

Anmärkningar

  • Crop harvesting and residue removal from croplands often result in imbalanced biogeochemical cycles of carbon and nutrients in croplands, putting forward an austere challenge to sustainable agricultural production. As a beneficial element, silicon(Si) has multiple eco-physiological functions, which could help crops to acclimatize their unfavorable habitats. Although many studies have reported that the application of Si can alleviate multiple abiotic and biotic stresses and increase biomass accumulation, the effects of Si on carbon immobilization and nutrients uptake into plants in croplands have not yet been explored. This review focused on Si-associated regulation of plant carbon accumulation, lignin biosynthesis, and nutrients uptake, which are important for biogeochemical cycles of carbon and nutrients in croplands. The tradeoff analysis   the supply of bioavailable Si can enhance plant net photosynthetic rate and biomass carbon production (especially root biomass input to soil organic carbon pool), but reduce shoot lignin biosynthesis. Besides, the application of Si could improve uptake of most nutrients under deficient conditions, but restricts excess uptake when they are supplied in surplus amounts. Nevertheless, Si application to crops may enhance the uptake of nitrogen and iron when they are supplied in deficient to luxurious amounts, while potassium uptake enhanced by Si application is often involved in alleviating salt stress and inhibiting excess sodium uptake in plants. More importantly, the amount of Si accumulated in plant positively correlates with nutrients release during the decay of crop biomass, but negatively correlates with straw decomposability due to the reduced lignin synthesis. The Si-mediated plant growth and litter decomposition collectively suggest that Si cycling in croplands plays important roles in biogeochemical cycles of carbon and nutrients. Hence, scientific Si management in croplands will be helpful for maintaining sustainable development of agriculture.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Song, ZhaoliangTianjin University, China (författare)
  • Yang, XiaominTianjin University, China (författare)
  • Song, AlinChinese Academy of Agricultural Sciences, China,Institute of Agricultural Resources and Regional Planning of CAAS,Zhejiang University (författare)
  • Yu, Changxun,1983-Linnéuniversitetet,Institutionen för biologi och miljö (BOM)(Swepub:lnu)chyuaa (författare)
  • WANG, TaoLund University,Lunds universitet,MEMEG,Biologiska institutionen,Naturvetenskapliga fakulteten,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Department of Biology,Faculty of Science,Centre for Environmental and Climate Science (CEC)(Swepub:lu)biol-tow (författare)
  • Xia, ShaopanTianjin University, China (författare)
  • Liang, YongchaoLinnaeus University (författare)
  • SONG, Zhao liangTianjin University (författare)
  • YANG, Xiao minTianjin University (författare)
  • Tianjin University, ChinaChinese Academy of Agricultural Sciences, China (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of Integrative Agriculture: Elsevier17:10, s. 2182-21952095-3119

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