Effects of Returning Different Organic Materials in Combination with Inorganic Fertilizers on the Diversity of Eukaryotic Microorganisms in Semi-Arid Northern China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Field Description and Experimental Design
2.2. Soil Sampling
2.3. Soil Physicochemical Analytical Procedures
2.4. Soil DNA Extraction and High-Throughput Sequencing
2.5. Statistical Analysis
2.5.1. Bioinformatics Analysis
2.5.2. Significance Analysis
3. Results
3.1. Soil Physicochemical Characteristics
3.2. Alpha-Diversity of Eukaryotic Microorganisms
3.3. Composition of Eukaryotic Microbial Community under Different Treatments
3.4. Taxonomic Composition Analysis at the Phylum and Genus Level
3.5. Beta-Diversity of Eukaryotic Microorganisms
3.6. Correlations
4. Discussion
4.1. Effects of Treatments on the Soil Physicochemical Properties
4.2. Effects of Different Treatments on the Eukaryotic Microorganisms Diversity and Community Composition
4.3. Relationship between Soil Eukaryotic Microorganisms and Environmental Factors
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Soil Layer (cm) | pH | Organic Matter (g·kg−1) | Total N (g·kg−1) | Total P (g·kg−1) | Total K (g·kg−1) | Alkali-Hydrolyzable N (mg·kg−1) | Available P (mg·kg−1) | Available K (mg·kg−1) |
---|---|---|---|---|---|---|---|---|
0–20 | 8.49 | 11.92 | 1.07 | 0.67 | 23.55 | 88.65 | 8.09 | 104.98 |
20–40 | 8.54 | 7.48 | 0.81 | 0.50 | 24.22 | 54.16 | 6.36 | 75.2 |
Treatment | Chemical Fertilizer (kg/hm2) | Organic Fertilizer (kg/hm2) | Total Nutrient (kg/hm2) | ||||||
---|---|---|---|---|---|---|---|---|---|
N | P2O5 | K2O | N | P2O5 | K2O | N | P2O5 | K2O | |
F | 225 | 75 | 75 | 0 | 0 | 0 | 225 | 75 | 75 |
FM | 225 | 75 | 75 | 70 | 45 | 145 | 295 | 120 | 220 |
FS | 225 | 75 | 75 | 45 | 25 | 80 | 270 | 100 | 155 |
FC | 225 | 75 | 75 | 60 | 105 | 85 | 285 | 180 | 160 |
CK | 0 | 0 | 0 | 0 | 0 | 00 | 0 | 0 | 0 |
Treatment | pH | Organic Matter (g·kg−1) | Total N (g·kg−1) | Total P (g·kg−1) | Total K (g·kg−1) | Alkali-Hydrolyzable N (mg·kg−1) | Available P (mg·kg−1) | Available K (mg·kg−1) |
---|---|---|---|---|---|---|---|---|
F | 8.28 ± 0.01 a | 10.56 ± 0.99 d | 1.02 ± 0.01 a | 0.71 ± 0.01 b | 21.48 ± 1.28 c | 91.33 ± 7.95 c | 9.62 ± 1.11 d | 75.88 ± 2.23 e |
FM | 8.10 ± 0.02 b | 13.03 ± 1.02 a | 1.08 ± 0.01 a | 0.83 ± 0.01 ab | 23.07 ± 1.40 a | 103.57 ± 9.91 a | 21.18 ± 2.14 b | 156.63 ± 9.92 a |
FS | 8.25 ± 0.01 a | 11.17 ± 1.23 c | 0.98 ± 0.01 a | 0.86 ± 0.02 a | 22.49 ± 1.22 b | 78.75 ± 1.19 e | 11.25 ± 1.82 c | 83.94 ± 8.00 c |
FC | 8.27 ± 0.03 a | 12.17 ± 0.90 b | 1.08 ± 0.02 a | 0.72 ± 0.02 b | 20.76 ± 1.99 d | 97.20 ± 5.81 b | 31.92 ± 2.18 a | 113.02 ± 5.98 b |
CK | 8.31 ± 0.01 a | 11.13 ± 0.75 c | 0.95 ± 0.01 a | 0.58 ± 0.01 c | 18.00 ± 1.20 e | 87.83 ± 3.27 d | 7.87 ± 1.90 e | 82.53 ± 2.59 d |
Treatment | Chao1 | Observed_Species | Shannon | Simpson |
---|---|---|---|---|
F | 1302.99 ± 93.29 a | 1215.77 ± 97.41 a | 7.0417 ± 0.8380 a | 0.9610 ± 0.0315 a |
FM | 1227.52 ± 176.91 a | 1167.53 ± 147.06 a | 6.8935 ± 0.6906 a | 0.9418 ± 0.0451 a |
FS | 1031.93 ± 195.72 a | 968.43 ± 162.85 a | 6.3081 ± 0.4664 a | 0.9420 ± 0.0171 a |
FC | 1275.53 ± 177.55 a | 1211.47 ± 167.38 a | 7.2898 ± 0.5858 a | 0.9715 ± 0.0148 a |
CK | 1218.75 ± 21.89 a | 1161.00 ± 6.88 a | 7.2049 ± 0.1519 a | 0.9708 ± 0.0110 a |
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Liu, Z.; Zhou, H.; Xie, W.; Yang, Z.; Zhang, P. Effects of Returning Different Organic Materials in Combination with Inorganic Fertilizers on the Diversity of Eukaryotic Microorganisms in Semi-Arid Northern China. Agronomy 2022, 12, 3116. https://doi.org/10.3390/agronomy12123116
Liu Z, Zhou H, Xie W, Yang Z, Zhang P. Effects of Returning Different Organic Materials in Combination with Inorganic Fertilizers on the Diversity of Eukaryotic Microorganisms in Semi-Arid Northern China. Agronomy. 2022; 12(12):3116. https://doi.org/10.3390/agronomy12123116
Chicago/Turabian StyleLiu, Zhiping, Huaiping Zhou, Wenyan Xie, Zhenxing Yang, and Pengfei Zhang. 2022. "Effects of Returning Different Organic Materials in Combination with Inorganic Fertilizers on the Diversity of Eukaryotic Microorganisms in Semi-Arid Northern China" Agronomy 12, no. 12: 3116. https://doi.org/10.3390/agronomy12123116