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Fig. 2 | BMC Plant Biology

Fig. 2

From: Grazing exclusion had greater effects than nitrogen addition on soil and plant community in a desert steppe, Northwest of China

Fig. 2

Nitrogen concentrations (N, a, b), phosphorus concentrations (P, d, e) in green (a, d) and senesced leaves (b, e) of Lycium ruthenicum (Lr) and Alhagi sparsifolia (As), N (c) and P (f) resorption efficiency of L. ruthenicum and A. sparsifolia after 4 years nitrogen addition and exclosure (EX)/free grazing (FG) treatments in arid desert steppe. The columns marked with different letters differ significantly between EX and FG, and among additional nitrogen treatments in L. ruthenicum and A. sparsifolia, respectively (ANOVA Duncan test, P < 0.05). * and ** represent significant differences between L. ruthenicum and A. sparsifolia at P < 0.05 and P < 0.01 level (t-test), respectively

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BMC Plant Biology

ISSN: 1471-2229

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