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Figure 1

From: Interactive effects of compost and pre-planting soil moisture on plant biomass, nutrition and formation of mycorrhizas: a context dependent response

Figure 1

Concentrations of (a) NH4+-N, (b) NO3−-N, and (c) plant-available (Colwell) P, in soils at the time of planting, that were amended with compost (black bars), or were un-amended (white bars), and subjected to different pre-planting soil moisture conditions (see text). Values are means ± SE (n = 10). Means followed by the same letters are not significantly different at the P < 0.05 level.

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