Nutrient cycling on dairy farms in the Netherlands: The role of farm structure, management and trade-offs

IF 11.2 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Resources Conservation and Recycling Pub Date : 2024-08-24 DOI:10.1016/j.resconrec.2024.107875

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Abstract

Food production is a major driver for crossing planetary boundaries. Improving nutrient cycling may enable maintaining production while reducing environmental losses. This study assesses the current state of Dutch dairy on-farm nutrient (nitrogen- N, phosphorus - P) cycling through re-use of manure, scope for improvement and potential trade-offs. Data of 27 farms between 2006–2022 were used.

Nutrient use efficiency (Output/Input) varied widely, with an average of 0.39 (0.29–0.47) for N and 0.88 (0.69–1.01) for P. Combining circularity and efficiency indicators showed that most gain in efficiency could be made by increasing cycled flow. Management related with improved cycling had lower external nutrient inputs, both from fertiliser and feed. Farm structure mattered for farm performance, as extensive farms with lower external N inputs from fertiliser or feed had higher N cycling and lower greenhouse gas emissions, but at the costs of agricultural land use and productivity.

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荷兰奶牛场的养分循环：牧场结构、管理和权衡的作用

粮食生产是跨越地球边界的主要驱动力。改善养分循环可在维持生产的同时减少环境损失。本研究评估了荷兰奶牛场通过粪便再利用实现养分（氮、磷）循环的现状、改进空间以及潜在的权衡。养分利用效率（产出/投入）差异很大，氮的平均利用效率为 0.39（0.29-0.47），磷的平均利用效率为 0.88（0.69-1.01）。与改善循环相关的管理，外部养分投入较低，包括肥料和饲料。农场结构对农场绩效很重要，因为肥料或饲料外部养分投入较低的粗放型农场的氮循环率较高，温室气体排放量较低，但其代价是农业用地和生产率的降低。

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来源期刊

Resources Conservation and Recycling 环境科学-工程：环境

CiteScore

22.90

自引率

6.10%

发文量

625

审稿时长

23 days

期刊介绍： The journal Resources, Conservation & Recycling welcomes contributions from research, which consider sustainable management and conservation of resources. The journal prioritizes understanding the transformation processes crucial for transitioning toward more sustainable production and consumption systems. It highlights technological, economic, institutional, and policy aspects related to specific resource management practices such as conservation, recycling, and resource substitution, as well as broader strategies like improving resource productivity and restructuring production and consumption patterns. Contributions may address regional, national, or international scales and can range from individual resources or technologies to entire sectors or systems. Authors are encouraged to explore scientific and methodological issues alongside practical, environmental, and economic implications. However, manuscripts focusing solely on laboratory experiments without discussing their broader implications will not be considered for publication in the journal.