W. Lisenbee , A. Saha , P. Mohammadpour , R. Cibin , J. Kaye , C. Grady , I. Chaubey
{"title":"循环农业方案中使用有机肥料回收养分对水质的影响","authors":"W. Lisenbee , A. Saha , P. Mohammadpour , R. Cibin , J. Kaye , C. Grady , I. Chaubey","doi":"10.1016/j.agsy.2024.104041","DOIUrl":null,"url":null,"abstract":"<div><h3>CONTEXT</h3><p>Most of the nutrients in food supply chains are lost as waste and pollution at great environmental and economic cost. A more circular agricultural system can be developed through recycling of organic waste streams such as manure and food waste into organic fertilizers.</p></div><div><h3>OBJECTIVE</h3><p>This study assessed the agricultural system's circularity potential in the Susquehanna River Basin (SRB), the largest tributary to the Chesapeake Bay, by recycling organic waste streams such as manure and food waste into fertilizers.</p></div><div><h3>METHODS</h3><p>Using the Soil Water Assessment Tool (SWAT), we developed and deployed three different scenarios beyond the baseline of current practices. First, we created the Manure Transport scenario to study improved manure transport beyond the sub-watershed where it is produced. Second, we developed the High Nitrogen Recovery Manure scenario to evaluate an increase of available nitrogen (N) in manure assuming developing technologies could reduce N losses from storage and transportation, leaving more N to apply to cropland. The final Compost scenario used food-waste as a source for compost fertilizer applied to areas without manure available. We evaluated the level of circularity from each scenario through the spatial distribution and the proportion of cropland using organic fertilizers sourced from manure and compost generated in the SRB. Additionally, we considered water quality at the outlet of the SRB to determine the impact a circular agricultural system could have on the water quality goals set forth for Chesapeake Bay.</p></div><div><h3>RESULTS AND CONCLUSIONS</h3><p>The Manure Transport scenario showed circularity and water quality results similar to the baseline conditions. The High Nitrogen Recovery Manure scenario demonstrated the highest circularity, with 46% of cropland using organic fertilizers, resulting in the smallest phosphorus (P) loading per watershed area (3.26 kg/ha/yr) at the SRB outlet. However, it also had the highest N loading (9.97 kg/ha/yr) at the outlet. The Compost scenario doubled the area treated with organic fertilizers, with 16% of cropland utilizing compost application, and led to increased N (8.48 kg/ha/yr) and P (4.17 kg/ha/yr) loading at the SRB outlet.</p></div><div><h3>SIGNIFICANCE</h3><p>The study highlighted that cropland area in this region is sufficient to expand the use of manure and food waste compost as fertilizers, thereby enhancing circularity and reducing commercial fertilizer inputs. However, it emphasized the importance of integrating field management strategies to address agricultural runoff concerns and achieve both waste reduction and improved water quality.</p></div>","PeriodicalId":7730,"journal":{"name":"Agricultural Systems","volume":null,"pages":null},"PeriodicalIF":6.1000,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Water quality impacts of recycling nutrients using organic fertilizers in circular agricultural scenarios\",\"authors\":\"W. Lisenbee , A. Saha , P. Mohammadpour , R. Cibin , J. Kaye , C. Grady , I. Chaubey\",\"doi\":\"10.1016/j.agsy.2024.104041\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>CONTEXT</h3><p>Most of the nutrients in food supply chains are lost as waste and pollution at great environmental and economic cost. A more circular agricultural system can be developed through recycling of organic waste streams such as manure and food waste into organic fertilizers.</p></div><div><h3>OBJECTIVE</h3><p>This study assessed the agricultural system's circularity potential in the Susquehanna River Basin (SRB), the largest tributary to the Chesapeake Bay, by recycling organic waste streams such as manure and food waste into fertilizers.</p></div><div><h3>METHODS</h3><p>Using the Soil Water Assessment Tool (SWAT), we developed and deployed three different scenarios beyond the baseline of current practices. First, we created the Manure Transport scenario to study improved manure transport beyond the sub-watershed where it is produced. Second, we developed the High Nitrogen Recovery Manure scenario to evaluate an increase of available nitrogen (N) in manure assuming developing technologies could reduce N losses from storage and transportation, leaving more N to apply to cropland. The final Compost scenario used food-waste as a source for compost fertilizer applied to areas without manure available. We evaluated the level of circularity from each scenario through the spatial distribution and the proportion of cropland using organic fertilizers sourced from manure and compost generated in the SRB. Additionally, we considered water quality at the outlet of the SRB to determine the impact a circular agricultural system could have on the water quality goals set forth for Chesapeake Bay.</p></div><div><h3>RESULTS AND CONCLUSIONS</h3><p>The Manure Transport scenario showed circularity and water quality results similar to the baseline conditions. The High Nitrogen Recovery Manure scenario demonstrated the highest circularity, with 46% of cropland using organic fertilizers, resulting in the smallest phosphorus (P) loading per watershed area (3.26 kg/ha/yr) at the SRB outlet. However, it also had the highest N loading (9.97 kg/ha/yr) at the outlet. The Compost scenario doubled the area treated with organic fertilizers, with 16% of cropland utilizing compost application, and led to increased N (8.48 kg/ha/yr) and P (4.17 kg/ha/yr) loading at the SRB outlet.</p></div><div><h3>SIGNIFICANCE</h3><p>The study highlighted that cropland area in this region is sufficient to expand the use of manure and food waste compost as fertilizers, thereby enhancing circularity and reducing commercial fertilizer inputs. However, it emphasized the importance of integrating field management strategies to address agricultural runoff concerns and achieve both waste reduction and improved water quality.</p></div>\",\"PeriodicalId\":7730,\"journal\":{\"name\":\"Agricultural Systems\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":6.1000,\"publicationDate\":\"2024-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Agricultural Systems\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0308521X24001914\",\"RegionNum\":1,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"AGRICULTURE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Agricultural Systems","FirstCategoryId":"97","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0308521X24001914","RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"AGRICULTURE, MULTIDISCIPLINARY","Score":null,"Total":0}
Water quality impacts of recycling nutrients using organic fertilizers in circular agricultural scenarios
CONTEXT
Most of the nutrients in food supply chains are lost as waste and pollution at great environmental and economic cost. A more circular agricultural system can be developed through recycling of organic waste streams such as manure and food waste into organic fertilizers.
OBJECTIVE
This study assessed the agricultural system's circularity potential in the Susquehanna River Basin (SRB), the largest tributary to the Chesapeake Bay, by recycling organic waste streams such as manure and food waste into fertilizers.
METHODS
Using the Soil Water Assessment Tool (SWAT), we developed and deployed three different scenarios beyond the baseline of current practices. First, we created the Manure Transport scenario to study improved manure transport beyond the sub-watershed where it is produced. Second, we developed the High Nitrogen Recovery Manure scenario to evaluate an increase of available nitrogen (N) in manure assuming developing technologies could reduce N losses from storage and transportation, leaving more N to apply to cropland. The final Compost scenario used food-waste as a source for compost fertilizer applied to areas without manure available. We evaluated the level of circularity from each scenario through the spatial distribution and the proportion of cropland using organic fertilizers sourced from manure and compost generated in the SRB. Additionally, we considered water quality at the outlet of the SRB to determine the impact a circular agricultural system could have on the water quality goals set forth for Chesapeake Bay.
RESULTS AND CONCLUSIONS
The Manure Transport scenario showed circularity and water quality results similar to the baseline conditions. The High Nitrogen Recovery Manure scenario demonstrated the highest circularity, with 46% of cropland using organic fertilizers, resulting in the smallest phosphorus (P) loading per watershed area (3.26 kg/ha/yr) at the SRB outlet. However, it also had the highest N loading (9.97 kg/ha/yr) at the outlet. The Compost scenario doubled the area treated with organic fertilizers, with 16% of cropland utilizing compost application, and led to increased N (8.48 kg/ha/yr) and P (4.17 kg/ha/yr) loading at the SRB outlet.
SIGNIFICANCE
The study highlighted that cropland area in this region is sufficient to expand the use of manure and food waste compost as fertilizers, thereby enhancing circularity and reducing commercial fertilizer inputs. However, it emphasized the importance of integrating field management strategies to address agricultural runoff concerns and achieve both waste reduction and improved water quality.
期刊介绍:
Agricultural Systems is an international journal that deals with interactions - among the components of agricultural systems, among hierarchical levels of agricultural systems, between agricultural and other land use systems, and between agricultural systems and their natural, social and economic environments.
The scope includes the development and application of systems analysis methodologies in the following areas:
Systems approaches in the sustainable intensification of agriculture; pathways for sustainable intensification; crop-livestock integration; farm-level resource allocation; quantification of benefits and trade-offs at farm to landscape levels; integrative, participatory and dynamic modelling approaches for qualitative and quantitative assessments of agricultural systems and decision making;
The interactions between agricultural and non-agricultural landscapes; the multiple services of agricultural systems; food security and the environment;
Global change and adaptation science; transformational adaptations as driven by changes in climate, policy, values and attitudes influencing the design of farming systems;
Development and application of farming systems design tools and methods for impact, scenario and case study analysis; managing the complexities of dynamic agricultural systems; innovation systems and multi stakeholder arrangements that support or promote change and (or) inform policy decisions.