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. 2017 Dec 7;8:2088. doi: 10.3389/fpls.2017.02088

FIGURE 6.

FIGURE 6

Patterns of foliar nutrient balances under different fertilization regimes and in different functional plant groups. Data from unfertilized blocks were used as a reference for fertilization treatments. Data from graminoids were used as a reference for other plant functional groups. The significance was tested at P < 0.05. Notes: Fert. P, fertilized with P at a rate of 100 kg Ca(H2PO4)2 ha-1; Fert. LN, fertilized with low N level at a rate of 30 kg N ha-1 as urea; Fert. HN, fertilized with high N level at a rate of 90 kg N ha-1 as urea; F.G., functional plant groups; P, Pedicularis kansuensis; L, legumes; F, forbs.