NDLI: Specific leaf area, leaf nitrogen content, and photosynthetic acclimation of Trifolium repens L. seedlings grown at different irradiances and nitrogen concentrations

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Specific leaf area, leaf nitrogen content, and photosynthetic acclimation of Trifolium repens L. seedlings grown at different irradiances and nitrogen concentrations

Content Provider	Semantic Scholar
Author	Shangguan, Zhou-Ping
Copyright Year	2008
Abstract	Clover seedlings were grown at different nitrogen concentrations (5, 10, 15, 20, 25 mM NO3−, i.e. N5 to N25) and two irradiances, I (200 and 400 µmol m−2 s−1 of photon flux density, i.e. I200 and I400). Net photosynthetic rate (PN), photosynthetic nitrogen use efficiency (PNUE), leaf chlorophyll (Chl) content, maximum photochemical efficiency (Fv/Fm), and actual photochemical efficiency of photosystem 2 (PS2) (ΦPS2) increased from N5 to N15 and decreased with N15 to N25. PN, PNUE, and ΦPS2 were higher at I400 than at I200, but Fv/Fm and leaf Chl contents at I400 were lower than at I200. The effects of the N and I on specific leaf area (SLA) and N contents per unit dry mass (Nm) were similar, the SLA and Nm increased from N5 to N25 and they were higher at I200 than at I400. The nitrogen contents per unit area (Na) increased from N5 to N20, but decreased from N20 to N25. The Na was higher at I200 than at I400 when Trifolium repens grew at N5 and N10, but it was higher at I400 than at I200 at N15 to N25.
Starting Page	143
Ending Page	147
Page Count	5
File Format	PDF HTM / HTML
DOI	10.1007/s11099-008-0023-y
Alternate Webpage(s)	https://ps.ueb.cas.cz/pdfs/phs/2008/01/23.pdf
Alternate Webpage(s)	https://doi.org/10.1007/s11099-008-0023-y
Volume Number	46
Journal	Photosynthetica
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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