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The land carrying capacity and environmental risk assessment of livestock and poultry breeding considering crop planting

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Abstract

At present, the contradiction between survival and ecology necessitates the integration of crop planting, chemical fertilizer application, and livestock and poultry breeding. Reasonably integrated crop-livestock systems (ICLSs) have become an important part of regional ecological and agricultural development. In this study, the relationship between manure nutrient demands for crops and manure nutrient supply from livestock is considered based on the balance of ICLSs in Jiangxi Province, China. The land carrying capacity index and potential of livestock breeding under uncoordinated systems are further discussed. The study also addresses water environmental risk due to surplus nutrients by integrating a traditional land carrying capacity framework and hydrological model. The results show that phosphorus absorption in land areas is the main limiting factor for the development of the livestock and poultry industries. In addition, manure nutrient demand exceeded supply in most districts, while the unbalanced regions with nutrient pollution are located in the upper and middle reaches of the Ganjiang basin. In addition, expanding the crop demand for manure or increasing the manure collection rate will help reduce environmental harm; however, attention should be paid to the risk of excessive manure returns. Additional livestock manure can be transferred to regions with developed crop planting systems. This study supports more harmonious and common ICLSs construction.

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Availability of data and materials

The datasets used or analyzed during the current study are available from the corresponding author on reasonable request. Data used in this study are available from the publications and local administrative agency cited therein.

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Acknowledgements

The authors want to thank the Agriculture and Rural Affairs Bureau of JiangXi Province for their data support.

Funding

This research was funded by the National Natural Science Foundation of China (No. 51779010), the Fund for Innovative Research Group of the National Natural Science Foundation of China (No. 51721093), and the Interdiscipline Research Funds of Beijing Normal University.

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Authors and Affiliations

Authors

Contributions

Nian yang: Conceptualization, software, and writing - original draftLei Chen: Writing - reviewing and editing and methodologyWenzhuo Wang: Investigation, visualization, and data curationZhenyao Shen: Supervision and Resources

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Correspondence to Lei Chen.

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Ethics approval and consent to participate

Farming data is obtained from the Agriculture and Rural Affairs Bureau of Jiangxi province. Thus, the ethics approval and consent to participate are both not required for this paper.

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Written informed consent for publication was obtained from all participants.

Competing interests

The authors declare no competing interests.

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Responsible Editor: Philippe Garrigues

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Yang, N., Chen, L., Wang, W. et al. The land carrying capacity and environmental risk assessment of livestock and poultry breeding considering crop planting. Environ Sci Pollut Res 28, 51356–51368 (2021). https://doi.org/10.1007/s11356-021-14310-w

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  • DOI: https://doi.org/10.1007/s11356-021-14310-w

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