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Soil mineral nitrogen (Nmin; NH4+-N+NO3-N) in the 0–90 cm soil profile in response to N fertilization in 2007.

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posted on 2012-05-18, 02:00 authored by Yunfeng Peng, Xuexian Li, Chunjian Li

The soil samples were obtained using the soil auger method at the same time in each plant harvest. The bars represent the standard error of the mean, n = 4.