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Fig. 3 | BMC Plant Biology

Fig. 3

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

Fig. 3

Effects of mulching, plant density, and nitrogen fertilizer application rates on maize grain yield in 2016 (a), 2017 (b), and 2018 (c). The bars represent the mean + one standard error of the mean (n = 4). Different letters denote significant differences between treatments (Tukey’s HSD post hoc tests, P < 0.05). Note: N0, 0 kg N ha− 1; N120, 120 kg N ha− 1; N240, 240 kg N ha− 1; N360, 360 kg N ha− 1

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BMC Plant Biology

ISSN: 1471-2229

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