Seuri, Pentti (2017) Evaluation of nutrient (nitrogen) efficiency - the concept of primary nutrients. In: Aakkula, Jyrki; Hakala, Kaija; Huhta, Harri; Iivonen, Sari; Jurvanen, Ulla; Kreismane, Dzidra; Land, Anita; Lähdesmäki, Merja; Malingen, Matti; Mikkola, Minna; Nordlund-Othen, Janne; Nuutila, Jaakko; Peetsmann, Elen; Piskonen, Sirpa; Rasmussen, Ilse A.; Skulskis, Virgilijus; Tahvonen, Raija; Taskinen, Sirpa; Ullvén, Karin; Wibe, Atle and Wivstad, Maria (Eds.) NJF Seminar 495 - 4th organic Conference: Organics for tomorrow's food systems, 19 - 21 June 2017, Mikkeli, Finland, 13 (1), NJF Report, pp. 41-43.
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Summary
Initial method by Seuri (2002, 2013) to evaluate nutrient utilization was improved. The system boundary was set to the new place covering the total target system including also the “invisible” processes outside the target system. The substitutive method is presented in the case of missing data of processes outside the target system. This study underlines the importance of understanding the total system instead of trying to improve single sub system.
| EPrint Type: | Conference paper, poster, etc. |
|---|---|
| Type of presentation: | Paper |
| Keywords: | nutrient utilization, nutrient efficiency, nutrient balance, primary nutrient, secondary nutrient |
| Agrovoc keywords: | Language Value URI English UNSPECIFIED UNSPECIFIED |
| Subjects: | Farming Systems Farming Systems > Farm nutrient management |
| Research affiliation: | International Conferences > 2017: NJF Seminar 495 - Organics for tomorrow's food systems > 1. Tuning up sustainable organic production |
| ISSN: | 1653-2015 |
| Deposited By: | Seuri, Researcher Pentti |
| ID Code: | 31436 |
| Deposited On: | 19 Jun 2017 09:19 |
| Last Modified: | 05 Jul 2017 09:15 |
| Document Language: | English |
| Status: | Published |
| Refereed: | Peer-reviewed and accepted |
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