Development of a new lime-based mix to reduce phosphorus loss from agricultural fields

开发新型石灰混合物以减少农田磷流失

• 批准号: 507456-2016
• 负责人: Qi, Zhiming
• 金额: $ 2.19万
• 依托单位: McGill University
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=618123
• 关键词: Development; new; lime; based; mix

This project will be a close collaborative research development between McGill University and Graymont which is North America's second largest supplier of lime and lime-based products. The main goal of this collaborative project is to develop a new lime-based mix with a proposed application protocol to reduce phosphorus loss through leaching and surface runoff from agricultural fields. With the proposed study, an environmentally friendly approach will be developed to minimize P-pollution which will subsequently benefit both the environment and the company. Currently, the increased eutrophication phenomenon in Quebec Lakes is majorly associated with P losses due to the application of manure to cultivated croplands and the annual average P concentration was reported two times higher than the Quebec water quality standard. Lime has shown promising potential to reduce P loss as its application leads to a better soil structure. This project is very environmentally beneficial to Canada. To date, limited research has been carried out in this area and we attend to find the optimum product mix and conditions for its application. The findings from this research will help Graymont develop a modified lime that could be applied to croplands to reduce P loss and eutrophication as well as using their by-products for reducing an environmental issue. Also, the development of user-friendly model along with the product, will facilitate the application of the product for the customers. This research will be conducted at McGill Macdonald campus and will use different experiment settings simulating surface and subsurface runoff, both on small and large scales. Our research group consists of one professor Dr. Zhiming Qi, one full-time PhD student Ms. Faezeh Eslamian, and four undergraduate students.

该项目将是麦吉尔大学和北美第二大石灰和石灰产品供应商格雷蒙特之间的密切合作研究开发。该合作项目的主要目标是开发一种新的石灰基混合物，并提出应用方案，以减少农田浸出和地表径流造成的磷损失。通过拟议的研究，将开发一种环保方法来最大限度地减少磷污染，从而使环境和公司受益。目前，魁北克湖泊富营养化现象加剧，主要与耕地施用粪便造成的磷损失有关，据报道，年平均磷浓度比魁北克水质标准高出两倍。石灰显示出减少磷流失的巨大潜力，因为它的应用可以改善土壤结构。该项目对加拿大的环境非常有利。迄今为止，在该领域进行的研究有限，我们致力于寻找最佳的产品组合及其应用条件。这项研究的结果将帮助格雷蒙特开发一种改良石灰，可应用于农田以减少磷流失和富营养化，并利用其副产品减少环境问题。此外，随着产品的开发，用户友好的模型也将方便客户使用该产品。这项研究将在麦吉尔麦克唐纳校区进行，并将使用不同的实验设置来模拟小规模和大规模的地表和地下径流。我们的研究小组由一名教授齐志明博士、一名全日制博士生Faezeh Eslamian女士和四名本科生组成。