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. 2018 Nov 23;8:17324. doi: 10.1038/s41598-018-35762-0

Figure 4.

Figure 4

Ratio of organic C to total N in the soil light fractions (LFOC/LFON) in the rubber and rubber–Flemingia macrophylla plantations from June 2015 to January 2017. R1: rubber plantations established in 2006; R2: rubber plantations established in 1994; RF1: Flemingia macrophylla introduced to R1 in 2010; RF2: Flemingia macrophylla introduced to R2 in 2010. Vertical bars are LSD at P ≤ 0.05.