Improving Yield and Water Productivity of Rainfed Summer Maize in Smallholder Farming: A Case Study in Hebei Province, China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Site Description
2.2. Dataset Description
2.3. Yield Potential
2.4. Grouping of Farming as per the Yield and WP
2.5. Limiting Factors for Yield and WP
2.6. Scenario Analyses
3. Results
3.1. Estimation of Maize Yield and WP
3.2. Assessment of the Yield and WP among Various Farming Groups
3.3. Analysis of Limiting Factors for the Yield and WP
3.4. Closing Yield Gaps and Increasing WP
4. Discussion
4.1. Potential Maize Yield and WP
4.2. Limiting Factors for the Yield and WP
4.3. Strategies for the Improvement in the Yield and WP
4.4. Limitation of this Study
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Fertilizer | Treatment | Max (kg/ha) | Min (kg/ha) | Average (kg/ha) | CV (%) |
---|---|---|---|---|---|
N | FP | 451.5 | 40.5 | 250.0 | 38.8 |
OPT | 304.5 | 90.0 | 211.4 | 36.1 | |
P2O5 | FP | 270.0 | 0 | 96.2 | 48.6 |
OPT | 180.3 | 49.5 | 68.4 | 40.7 | |
K2O | FP | 225.0 | 0 | 51.1 | 72.2 |
OPT | 180.0 | 18.0 | 98.0 | 39.4 |
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Yang, W.; Liu, J.; Yang, J.; Xing, S.; Yue, Z.; Liu, K.; Huang, S.; Yang, Y.; Jia, L. Improving Yield and Water Productivity of Rainfed Summer Maize in Smallholder Farming: A Case Study in Hebei Province, China. Agronomy 2022, 12, 1983. https://doi.org/10.3390/agronomy12091983
Yang W, Liu J, Yang J, Xing S, Yue Z, Liu K, Huang S, Yang Y, Jia L. Improving Yield and Water Productivity of Rainfed Summer Maize in Smallholder Farming: A Case Study in Hebei Province, China. Agronomy. 2022; 12(9):1983. https://doi.org/10.3390/agronomy12091983
Chicago/Turabian StyleYang, Wenfang, Jingbao Liu, Junfang Yang, Suli Xing, Zengliang Yue, Ketong Liu, Shaohui Huang, Yunma Yang, and Liangliang Jia. 2022. "Improving Yield and Water Productivity of Rainfed Summer Maize in Smallholder Farming: A Case Study in Hebei Province, China" Agronomy 12, no. 9: 1983. https://doi.org/10.3390/agronomy12091983