Enhancing Maize Yield and Nutrient Utilization through Improved Soil Quality under Reduced Fertilizer Use: The Efficacy of Organic–Inorganic Compound Fertilizer
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Site Parameters
2.2. Sample Collection and Measurements
2.2.1. Biomass, Grain Yield, and Nutrient Content
2.2.2. Soil Properties
2.3. Soil Quality Measurement
2.4. NUE
2.5. Statistical Analysis
3. Results
3.1. Biomass and Grain Yield
3.2. Nutrient Uptake and NUE
3.3. Soil Properties
3.4. Correlation Analysis of Soil Properties, Plant Characteristics, and NUE
3.5. Evaluation of Soil Quality and Its Relation to Grain Yield
3.6. Analysis of SEM
4. Discussion
4.1. Effect of COIF on Maize Biomass, Grain Yield, and Nutrient Utilization
4.2. Effect of COIF on Soil Properties
4.3. Effect of Soil Quality on Grain Yield under COIF
4.4. The Benefits and Development Prospects of COIF
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Conflicts of Interest
References
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Locations | SOM (g kg−1) | TN (g kg−1) | TP (g kg−1) | TK (g kg−1) | AN (mg kg−1) | AP (mg kg−1) | AK (mg kg−1) | pH |
---|---|---|---|---|---|---|---|---|
YT | 9.30 | 0.60 | 0.49 | 30.99 | 60.43 | 22.63 | 145.33 | 6.23 |
DZ | 8.07 | 0.45 | 0.76 | 18.26 | 28.48 | 7.73 | 97.32 | 8.62 |
Treatments | Chemical Fertilizer (kg ha−1) | Organic–Inorganic Compound Fertilizer (kg ha−1) | Total Nutrients (kg ha−1) | ||||
---|---|---|---|---|---|---|---|
N | P2O5 | K2O | N | P2O5 | K2O | ||
LCF | 240 | 105 | 135 | 0 | 0 | 0 | 480 |
COIF1 | 27.75 | 31.75 | 0 | 188.25 | 62.75 | 121.5 | 432 |
COIF2 | 30 | 30 | 0 | 162 | 54 | 108 | 384 |
Locations | Treatments | SOM (g kg−1) | TN (g kg−1) | TP (g kg−1) | TK (g kg−1) | AN (mg kg−1) | AP (mg kg−1) | AK (mg kg−1) | NO3− (mg kg−1) | NH4+ (mg kg−1) | pH |
---|---|---|---|---|---|---|---|---|---|---|---|
YT | LCF | 10.82 c | 0.66 c | 0.51 a | 32.99 ab | 87.43 c | 24.63 b | 156.00 b | 7.93 b | 2.48 b | 7.04 a |
COIF1 | 12.21 a | 1.04 a | 0.61 a | 36.14 a | 134.27 a | 46.39 a | 288.83 a | 22.19 a | 3.64 a | 6.38 b | |
COIF2 | 11.39 b | 0.74 b | 0.57 a | 30.95 b | 106.07 b | 30.03 b | 209.00 b | 14.86 ab | 2.82 a | 6.54 b | |
DZ | LCF | 8.63 c | 0.46 c | 0.97 b | 18.38 b | 34.02 c | 8.05 b | 110.33 b | 24.95 c | 2.21 b | 9.44 a |
COIF1 | 10.89 a | 0.72 a | 1.12 a | 19.25 a | 53.66 a | 13.61 a | 133.17 a | 58.20 a | 2.92 a | 9.22 b | |
COIF2 | 9.68 b | 0.57 b | 1.07 ab | 18.86 ab | 41.03 b | 8.97 b | 115.77 b | 45.77 b | 2.81 a | 9.29 ab |
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Chen, X.; Li, Z.; Zhao, H.; Li, Y.; Wei, J.; Ma, L.; Zheng, F.; Tan, D. Enhancing Maize Yield and Nutrient Utilization through Improved Soil Quality under Reduced Fertilizer Use: The Efficacy of Organic–Inorganic Compound Fertilizer. Agriculture 2024, 14, 1482. https://doi.org/10.3390/agriculture14091482
Chen X, Li Z, Zhao H, Li Y, Wei J, Ma L, Zheng F, Tan D. Enhancing Maize Yield and Nutrient Utilization through Improved Soil Quality under Reduced Fertilizer Use: The Efficacy of Organic–Inorganic Compound Fertilizer. Agriculture. 2024; 14(9):1482. https://doi.org/10.3390/agriculture14091482
Chicago/Turabian StyleChen, Xiaoying, Zishuang Li, Huanyu Zhao, Yan Li, Jianlin Wei, Lei Ma, Fuli Zheng, and Deshui Tan. 2024. "Enhancing Maize Yield and Nutrient Utilization through Improved Soil Quality under Reduced Fertilizer Use: The Efficacy of Organic–Inorganic Compound Fertilizer" Agriculture 14, no. 9: 1482. https://doi.org/10.3390/agriculture14091482