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Fig. 5 | BMC Plant Biology

Fig. 5

From: Determining optimal mulching, planting density, and nitrogen application to increase maize grain yield and nitrogen translocation efficiency in Northwest China

Fig. 5

Nitrogen uptake at physiological maturity in different maize organs as affected by mulching (no mulch, plastic mulch), planting density (55,000 seeds ha− 1, 90,000 seeds ha− 1), and N fertilizer application rate (N0, 0 kg N ha− 1; N120, 120 kg N ha− 1; N240, 240 kg N ha− 1; N360, 360 kg N ha− 1) in 2015 (a, b), 2016 (c, d), and 2017 (e, f). Bars represent the mean + one standard error of the mean (n = 4)

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