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. 2014 Oct 8;9(10):e109587. doi: 10.1371/journal.pone.0109587

Table 2. Soil inorganic N content (kg N ha 1) in the different soil layers and the entire profile at different sampling dates for the fallow (Fa), first kill (FK) and second kill (SK) treatments.

Oct 2011 Apr 2012 Oct 2012 Apr 2013 Oct 2013
0–40 cm
Fa 94 (13.7) 126.8 (7.9) a 135.3 (15.4) 29.7 (3.8) b 71.54 (5.38) c
FK 94 (13.7) 46.9 (7.1) b 121.5 (16.6) 56.9 (3) a 119.37 (28.48) b
SK 94 (13.7) 37 (8.2) b 154 (8) 24.8 (4.5) b 171.72 (2.36) a
40–80 cm
Fa 24.7 (9.5) 71.6 (10.6) a 86.1 (4.6) a 40.1 (1.8) a 72.22 (7.43)
FK 24.7 (9.5) 30.4 (5.3) b 48.3 (4.4) b 42.6 (3.5) a 65.38 (19.89)
SK 24.7 (9.5) 25.4 (5.1) b 48.1 (7.1) b 27.1 (4.1) b 39.39 (2.68)
80–120 cm
Fa 26.1 (11.1) 60.6 (3.5) 66.7 (11) 68.8 (3.3) a 100.37 (11.74) a
FK 26.1 (11.1) 56.1 (24.5) 61.5 (29.3) 47 (7.4) b 61.59 (17.91) ab
SK 26.1 (11.1) 34.5 (3.7) 33.5 (6.3) 32.3 (8.3) b 39.24 (5.83) b
Soil profile (0–120 cm)
Fa 144.8 (22.8) 259 (8.0) a 288.1 (25.4) 138.6 (5.1) a 244.13 (19.05)
FK 144.8 (22.8) 133.32 (27.5) b 231.3 (31.2) 146.6 (10.7) a 246.34 (52.87)
SK 144.8 (22.8) 96.9 (15.4) b 235.6 (14.2) 84.2 (13.3) b 247.34 (7.9)

Means with standard error in parentheses.

Within a date and depth, means with the same letter are not significantly different between kill dates at P<0.05.