Impact of Corn Cob-Derived Biochar in Altering Soil Quality, Biochemical Status and Improving Maize Growth under Drought Stress
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation and Characterization of Biochar
2.2. Experimental Design
2.3. Measurement of Plant Growth and Physiological Parameters
2.4. Soil Quality Analysis
2.4.1. Measurement of Soil Aggregate Stability and Moisture Content
2.4.2. Measurement of Soil Microbial Biomass
2.4.3. Soil Biochemical Analysis
2.4.4. Carbon Management Index
2.5. Statistical Analysis
3. Results
3.1. Characterization of Biochar
Biochar | |||
---|---|---|---|
Characteristic | Units | Values at 300 °C | Values at 400 °C |
Yield | % | 47–50 | 42.45 |
pH1:20 | - | 6.38 | 7.88 |
EC1:20 | dS m−1 | 0.21 | 1.23 |
Ash content | % | 12.3 | 14.8 |
Moisture content | % | 3.21 | 1.84 |
CEC | cmolc kg−1 | 38.40 | 52.55 |
Carbon | % | 55.31 | 61.87 |
Nitrogen | % | 1.78 | 2.93 |
Phosphorus | % | 0.38 | 19.38 |
Potassium | % | 0.97 | 1.02 |
Soil | |||
Characteristic | Units | Values | |
pHs | - | 8.12 | |
ECe | dS m−1 | 1.34 | |
Organic matter (OM) | % | 0.63 | |
Total N | % | 0.049 | |
Available P | mg kg−1 | 4.46 | |
Available K | mg kg−1 | 128 | |
Field capacity (FC) | % | 10.9 | |
Texture of soil | - | Sandy clay loam |
3.2. Effect of Biochar on Maize Growth and Physiological Parameters
3.3. Effect of Biochar on Soil Quality Parameters
3.4. Effect of Biochar on Soil Biochemical Attributes
3.5. Effect of Biochar on Soil Organic Carbon Composition
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Treatments | Shoot Length (cm) | Root Length (cm) | |||||
---|---|---|---|---|---|---|---|
100% FC | 70% FC | 40% FC | 100% FC | 70% FC | 40% FC | ||
Control | 93.05 ± 1.73 a–c | 71.37 ± 5.03 ef | 52.24 ± 2.40 g | 51.17 ± 1.53 de | 59.42 ± 0.88 ab | 57.02 ± 1.20 a–d | |
Temperature 300 °C | Biochar 1% | 104.10 ± 3.21 a | 86.33 ± 2.96 cd | 63.03 ± 1.45 fg | 54.06 ± 0.88 b–e | 56.38 ± 1.20 b–d | 52.12 ± 0.88 c–e |
Biochar 3% | 102.31 ± 2.60 ab | 92.13 ± 1.45 a–c | 72.35 ± 1.73 ef | 54.11 ± 1.00 b–e | 58.14 ± 1.00 ab | 51.35 ± 1.20 de | |
Temperature 400 °C | Biochar 1% | 100.03 ± 0.88 a–c | 89.00 ± 1.53 b–d | 67.01 ± 2.96 ef | 54.40 ± 1.76 b–e | 56.33 ± 1.15 a–d | 49.27 ± 0.67 e |
Biochar 3% | 96.42 ± 2.19 a–c | 96.40 ± 0.88 a–c | 78.41 ± 0.58 de | 53.25 ± 1.20 b–e | 62.20 ± 0.58 a | 53.35 ± 1.00 b–e |
Treatments | Electrolyte Leakage (%) | Relative Water Content (%) | |||||
---|---|---|---|---|---|---|---|
100% FC | 70% FC | 40% FC | 100% FC | 70% FC | 40% FC | ||
Control | 5.32 ± 0.35 h | 8.15 ± 0.34 cd | 11.80 ± 0.25 a | 66.22 ± 0.85b | 51.01 ± 0.64 ef | 39.00 ± 0.75 h | |
Temperature 300 °C | Biochar 1% | 4.77 ± 0.22 h | 7.35 ± 0.20 de | 10.02 ± 0.32 b | 69.03 ± 0.90ab | 57.02 ± 0.95 cd | 46.12 ± 1.02 g |
Biochar 3% | 4.87 ± 0.18 h | 6.67 ± 0.12 e–g | 8.31 ± 0.16 cd | 71.00 ± 0.32 ab | 66.18 ± 0.46 b | 55.35 ± 1.45 de | |
Temperature 400 °C | Biochar 1% | 4.80 ± 0.20 h | 7.04 ± 0.27 d–f | 9.21 ± 0.21 bc | 70.10 ± 0.90ab | 59.25 ± 0.69 c | 47.00 ± 0.90 fg |
Biochar 3% | 5.72 ± 0.21 gh | 5.90 ± 0.15 f–h | 7.53 ± 0.15 de | 71.04 ± 0.28a | 69.33 ± 0.72 ab | 59.04 ± 0.73 c | |
Treatments | MDA Content µmol g−1 FW | APx nmol Ascorbate min−1 mg−1 Protein | |||||
100% FC | 70% FC | 40% FC | 100% FC | 70% FC | 40% FC | ||
Control | 5.28 ± 0.38 fg | 8.25 ± 0.76 de | 6.76 ± 0.47 a | 6.24 ± 0.35 g | 12.1 ± 0.48 d | 22.23 ± 0.30 a | |
Temperature 300 °C | Biochar 1% | 5.04 ± 0.48 fg | 7.02 ± 0.52 ef | 6.03 ± 0.44 ab | 6.00 ± 0.44 g | 9.85 ± 0.35 e | 17.00 ± 0.31 b |
Biochar 3% | 4.86 ± 0.18 g | 6.36 ± 0.40 e–g | 5.61 ± 0.52 bc | 5.89 ± 0.21 g | 8.24 ± 0.20 e | 14.72 ± 0.16 c | |
Temperature 400 °C | Biochar 1% | 5.16 ± 0.46 fg | 6.55 ± 0.39 e–g | 5.86 ± 0.62 bc | 6.15 ± 0.45 g | 9.01 ± 0.34 ef | 16.57 ± 0.27 b |
Biochar 3% | 5.32 ± 0.15 fg | 5.97 ± 0.63 fg | 5.64 ± 0.32 cd | 6.19 ± 0.15 g | 7.01 ± 0.24 fg | 12.90 ± 0.34 d |
Treatments | Aggregate Stability (%) | Soil Moisture Content (%) | |||||
---|---|---|---|---|---|---|---|
100% FC | 70% FC | 40% FC | 100% FC | 70% FC | 40% FC | ||
Control | 17.28 ± 1.06 b | 18.02 ± 1.26 b | 19.19 ± 1.26 b | 29.06 ± 0.65 ef | 18.37 ± 0.19 ij | 12.00 ± 0.31 k | |
Temperature 300 °C | Biochar 1% | 28.33 ± 1.14 a | 29.05 ± 1.38 a | 30.41 ± 1.28 a | 36.37 ± 1.33 d | 23.25 ± 0.17 gh | 16.39 ± 0.18 j |
Biochar 3% | 30.00 ± 1.08 a | 30.37 ± 1.10 a | 31.08 ± 1.03 a | 50.31 ± 0.59 b | 34.00 ± 0.88 d | 22.24 ± 0.56 hi | |
Temperature 400 °C | Biochar 1% | 28.17 ± 0.98 a | 30.22 ± 1.61 a | 30.26 ± 1.68 a | 43.06 ± 1.15 c | 30.18 ± 0.33 e | 17.45 ± 0.31 j |
Biochar 3% | 30.01 ± 1.05 a | 32.16 ± 1.16 a | 32.09 ± 1.01 a | 59.25 ± 0.99 a | 42.40 ± 1.00 c | 26.30 ± 0.58f g | |
Treatments | Microbial Biomass Carbon (mg kg−1 Soil) | Microbial Biomass Nitrogen (mg kg−1 Soil) | |||||
100% FC | 70% FC | 40% FC | 100% FC | 70% FC | 40% FC | ||
Control | 223.15 ± 3.02 ab | 126.36 ± 5.11 ef | 64.45 ± 8.97 h | 26.22 ± 0.90 a–c | 15.25 ± 0.97gh | 7.00 ± 0.75 i | |
Temperature 300 °C | Biochar 1% | 239.45 ± 3.53 a | 141.27 ± 5.69 ef | 95.18 ± 5.39 g | 27.45 ± 1.08 ab | 18.10 ± 1.04 e–g | 12.21 ± 1.35 h |
Biochar 3% | 233.22 ± 3.11 a | 171.00 ± 4.00 cd | 113.22 ± 4.61 fg | 28.00 ± 0.59 a | 23.32 ± 0.88 b–d | 17.33 ± 0.59 fg | |
Temperature 400 °C | Biochar 1% | 227.00 ± 7.03 ab | 144.31 ± 4.51 de | 96.09 ± 3.56 g | 27.37 ± 0.91 ab | 22.43 ± 0.48c–e | 14.01 ±0.73 gh |
Biochar 3% | 220.06 ± 6.05 ab | 197.01 ± 6.52 bc | 141.31 ± 6.11 ef | 26.01 ± 0.76a–c | 24.21 ± 0.41a–d | 20.40 ± 0.64 d–f |
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Ali, L.; Manzoor, N.; Li, X.; Naveed, M.; Nadeem, S.M.; Waqas, M.R.; Khalid, M.; Abbas, A.; Ahmed, T.; Li, B.; et al. Impact of Corn Cob-Derived Biochar in Altering Soil Quality, Biochemical Status and Improving Maize Growth under Drought Stress. Agronomy 2021, 11, 2300. https://doi.org/10.3390/agronomy11112300
Ali L, Manzoor N, Li X, Naveed M, Nadeem SM, Waqas MR, Khalid M, Abbas A, Ahmed T, Li B, et al. Impact of Corn Cob-Derived Biochar in Altering Soil Quality, Biochemical Status and Improving Maize Growth under Drought Stress. Agronomy. 2021; 11(11):2300. https://doi.org/10.3390/agronomy11112300
Chicago/Turabian StyleAli, Liaqat, Natasha Manzoor, Xuqing Li, Muhammad Naveed, Sajid Mahmood Nadeem, Muhammad Rashid Waqas, Muhammad Khalid, Aown Abbas, Temoor Ahmed, Bin Li, and et al. 2021. "Impact of Corn Cob-Derived Biochar in Altering Soil Quality, Biochemical Status and Improving Maize Growth under Drought Stress" Agronomy 11, no. 11: 2300. https://doi.org/10.3390/agronomy11112300