Compositional Shifts and Assembly in Rhizosphere-Associated Fungal Microbiota Throughout the Life Cycle of Japonica Rice Under Increased Nitrogen Fertilization

Rice

Table 1 Soil pH and nitrogen nutrients and soil organic carbon and microbial biomass of rhizosphere samples subjected to the three nitrogen fertilization levels at the tillering and heading stages of rice

		pH	NH₄⁺–N (mg kg⁻¹)	NO₃⁻–N (mg kg⁻¹)	TN (g kg⁻¹)	SOC (g kg⁻¹)	MBN (mg kg⁻¹)	MBC (mg kg⁻¹)
Tillering	N120	6.08 ± 0.07c	21.8 ± 1.23c	23.5 ± 1.06c	1.31 ± 0.10c	9.9 ± 0.57c	7.2 ± 0.88d	69.2 ± 5.5c
	N180	6.47 ± 0.27b	25.5 ± 2.24b	37.4 ± 1.78a	1.48 ± 0.10b	10.7 ± 0.87bc	8.7 ± 0.18cd	80.2 ± 2.7c
	N240	5.68 ± 0.25d	23.0 ± 1.43bc	34.5 ± 0.52a	1.58 ± 0.08ab	11.7 ± 0.65b	9.9 ± 0.48c	100.0 ± 11.0b
Heading	N120	7.27 ± 0.17a	15.4 ± 1.38d	31.2 ± 1.76b	1.49 ± 0.04b	10.9 ± 0.80bc	19.6 ± 2.06b	105.1 ± 15.0b
	N180	6.27 ± 0.11bc	23.6 ± 0.74bc	36.3 ± 1.70a	1.51 ± 0.03b	11.6 ± 0.22b	21.0 ± 1.63b	168.9 ± 10.6a
	N240	5.55 ± 0.12d	35.2 ± 2.89a	37.3 ± 1.95a	1.70 ± 0.03a	13.0 ± 0.13a	29.7 ± 0.89a	112.6 ± 14.0b

TN total nitrogen, SOC soil organic carbon, MBN microbial biomass nitrogen, MBC microbial biomass carbon. Different lowercase letters after one data point indicate significant differences at p < 0.05, n = 3