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. 2015 Oct 9;10(10):e0140023. doi: 10.1371/journal.pone.0140023

Fig 1. Relationships among management practices, soil inherent productivity and yield.

Fig 1

Note: soil inherent productivity was estimated as yields in zero-N plots (Yield-N0). Black points represent farming practice (FPs); red points represent best management practice (BMPs). a, early rice (n = 98); b, late rice (n = 148); c, single rice (n = 157).