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Table 3 Overview of the significance difference based on one-way ANOVA for the effect of nitrogen fertilizers on soil physicochemical properties and alpha diversity of microbiomes in comparison to the control treatment

From: Protist communities are more sensitive to nitrogen fertilization than other microorganisms in diverse agricultural soils

  Summer Autumn
Black soil Fluvo-aquic soil Red soil Black soil Fluvo-aquic soil Red soil
pH NS N, NS N, NS NS
Moisture N
C/N ratio N, NS
OM N
DOC N, NS
TC
TN NS
NH4+-N NS N, NS NS
NO3-N N, NS N, NS NS
Bacterial diversity
Fungal diversity NS NS
Protist diversity NS N NS N, NS
  1. Statistical differences were considered significant at P < 0.05
  2. Abbreviation: OM organic matter, TC total content of carbon, TN total content of nitrogen, C/N the ratio of TC and TN, Moisture soil water content, DOC dissolved organic carbon, Control fertilization treatments including no nitrogen addition, N nitrogen addition, NS nitrogen + straw addition