Legume Research

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Research Article

Legume Research, volume 39 issue 4 (august 2016) : 595-600

Carbon, nitrogen and phosphorus stoichiometry in differently aged lucerne stands during flowering

Jiaoyun Lu, Shubin He1, Zhennan Wang, Huimin Yang*
1<p>State Key Laboratory of Grassland Agro-ecosystems, College of Pastoral Agriculture Science and Technology,&nbsp;Lanzhou University, 768 Jiayuguanxi Road, Lanzhou 730020, China.</p>
Cite article:- Lu Jiaoyun, He1 Shubin, Wang Zhennan, Yang* Huimin (2016). Carbon, nitrogen and phosphorus stoichiometry in differentlyaged lucerne stands during flowering . Legume Research. 39(4): 595-600. doi: 10.18805/lr.v0iOF.9612.

ABSTRACT

This study aimed to test the hypothesis that stoichiometric ratios of C, N and P change with plant growth during flowering. The C:N, C:P and N:P varied without solid trends during flowering. The C:N was significantly different only between cuts, while the C:P and N:P were influenced by age, cut and their interaction. The C:N and C:P were higher in the 1st cut than in the 2nd cut, while for N:P, it was opposite. No solid trends were observed with the effects of age on both C:P and N:P. The N and P were closely correlated with C:N, C:P and N:P. Conclusively, stoichiometric ratios of C, N and P varied during flowering and changed with stand age and cut.

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