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Figure 1

From: Glomalin contributed more to carbon, nutrients in deeper soils, and differently associated with climates and soil properties in vertical profiles

Figure 1

RDA ordination-based glomalin variation partitioning at the surface soils (a) and the deep soils (b). In the case of the surface soil, soil nutrients are responsible for more glomalin variation (44.9% for the unique effect; 72.7% for the pooled effect) than in the deep soils (29.3% for the unique effect; 50.6% for the pooled effect); However, physiochemical properties of soil are responsible more variation in the deep soils (17.1% for the unique effect; 39.9% for the pooled effect) compared with the surface soils (14.2% for the unique effect; 22.4% for the pooled effect). Climatic conditions showed important effects in regulating glomalin accumulation in both the surface (20.1% for the unique effect) and the deep (29.1% for the unique effect) soils.

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