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. 2016 Jun 14;11(6):e0157341. doi: 10.1371/journal.pone.0157341

Table 1. The initial soil status of the field in 2012–2014.

Year pH Organic matter (g kg-1) Available nitrogen (mg kg-1) Available phosphorus (mg kg-1) Available potassium (mg kg-1)
2012–2013 6.2 34.1 96.3 12.1 112.3
2013–2014 6.4 33.8 101.2 14.4 109.2