Nitrogen uptake and leaching from urine and fertilizer applications during simulated grazing rotations of a perennial grass pasture

Cameron J.P. Gourley, Sharon R. Aarons and Michael W. Heaven

Agricultural Systems, 2025, vol. 224, issue C

Abstract: The productivity of grazing-based dairy systems is driven in large part by availability of nitrogen (N) as it cycles though the soil, plant and animal. However, N use efficiency (NUE) is generally less than 40 % with significant N losses attributed to animal excreted N, especially urinary N, due to high N concentrations deposited.

Keywords: Pasture nitrogen uptake; Fertilizer nitrogen; Dairy cow urinary‑nitrogen; Nitrogen use efficiency; Nitrate-leaching (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:agisys:v:224:y:2025:i:c:s0308521x24003767

DOI: 10.1016/j.agsy.2024.104226

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