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. 2016 Aug 25;11(8):e0161612. doi: 10.1371/journal.pone.0161612

Fig 6. The effects of mulching and basal-fertilizer on the vertical distribution of nitrate-N content in two consecutive growing seasons (mg kg−1).

Fig 6

2012: (A) 31 days after sowing, (B) 68 days after sowing, (C) 105 days after sowing and (D) 134 days after sowing; 2013: (E) 20 days after sowing, (F) 53 days after sowing, (G) 88 days after sowing and (H) 125 days after sowing.