{"title":"Legacy P: A personal perspective","authors":"Don Flaten","doi":"10.1002/jeq2.70315","DOIUrl":"https://doi.org/10.1002/jeq2.70315","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 6","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149259307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Legacy P: A personal perspective","authors":"Don Flaten","doi":"10.1002/jeq2.70315","DOIUrl":"https://doi.org/10.1002/jeq2.70315","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 6","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149259309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A perspective on “legacy P”","authors":"Z. P. Simpson","doi":"10.1002/jeq2.70257","DOIUrl":"https://doi.org/10.1002/jeq2.70257","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 6","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149259308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A perspective on “legacy P”","authors":"Z. P. Simpson","doi":"10.1002/jeq2.70257","DOIUrl":"https://doi.org/10.1002/jeq2.70257","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 6","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149259306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The field-scale future of legacy P research","authors":"R. Daren Harmel","doi":"10.1002/jeq2.70314","DOIUrl":"https://doi.org/10.1002/jeq2.70314","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 6","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149259106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The field-scale future of legacy P research","authors":"R. Daren Harmel","doi":"10.1002/jeq2.70314","DOIUrl":"https://doi.org/10.1002/jeq2.70314","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 6","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149259078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Manure nutrient recovery, removal, and reuse on California dairies","authors":"Stephen R. Kaffka, Cole Smith, Elias Marvinney","doi":"10.1002/jeq2.70292","DOIUrl":"https://doi.org/10.1002/jeq2.70292","url":null,"abstract":"<p>California is the leading US dairy state, with over 1.7 million cows. Surplus nutrients in manure, especially nitrogen (N), present significant environmental challenges to local air and water quality. Novel nutrient recovery technologies can reduce adverse manure nitrogen impacts, including losses to groundwater, while increasing the availability of recycled nitrogen, phosphorus, and organic amendments for nondairy farms, creating a circular nutrient economy. We estimated and characterized surplus N on dairy farms in high-priority N management zones in California's San Joaquin Valley by location and farm size (537 farms). Stocking rates and correlated nutrient surpluses were not a function of overall farm size in terms of either on-site land available for manure application or mature cow numbers. Using geospatial, techno-economic, and life cycle assessment modeling, we compared environmental performance (impacts and benefits) of three prominent systems for managing dairy N surplus: vermifiltration, chemical flocculation, and ammonia stripping and recovery. Based on modeled greenhouse gas and nutrient flows within and from dairy manure management systems, tradeoffs between climate impacts and nutrient surplus reduction were observed among these technologies. The largest combined climate and surplus N management benefits occurred when nutrient recovery was combined with renewable natural gas recovery from anaerobic digesters. The collocation of dairies in some subregions affects potential solutions to managing surplus manure N and other nutrients.</p>","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jeq2.70292","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149258262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Legacy phosphorus as historical context across systems and scales","authors":"Graham K. MacDonald","doi":"10.1002/jeq2.70299","DOIUrl":"10.1002/jeq2.70299","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149182218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A dual concept perspective on legacy phosphorus","authors":"Nathan O. Nelson","doi":"10.1002/jeq2.70286","DOIUrl":"10.1002/jeq2.70286","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149137057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pauline Chivenge, Leonard Rusinamhodzi, Generose Nziguheba
{"title":"Legacy phosphorus in sub-Saharan Africa: A hidden resource or emerging liability?","authors":"Pauline Chivenge, Leonard Rusinamhodzi, Generose Nziguheba","doi":"10.1002/jeq2.70281","DOIUrl":"10.1002/jeq2.70281","url":null,"abstract":"","PeriodicalId":15732,"journal":{"name":"Journal of environmental quality","volume":"55 5","pages":""},"PeriodicalIF":2.6,"publicationDate":"2026-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149137130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}