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Long-term changes in soil nutrients and grass/clover yields on Tingvoll farm

Ebbesvik, M. and Løes, A.-K. (2013) Long-term changes in soil nutrients and grass/clover yields on Tingvoll farm. In: Løes, Anne-Kristin; Askegaard, Margrethe; Langer, Vibeke; Partanen, Kirsi; Pehme, Sirli; Rasmussen, Ilse A.; Salomon, Eva; Sørensen, Peter; Ullvén, Karin and Wivstad, Maria (Eds.) Organic farming systems as a driver for change, NJF Report, no. 9 (3), pp. 119-120.

PDF - Accepted Version - English
PDF - Presentation - English

Online at: http://www.njf.nu/filebank/files/20130827$203251$fil$4F15WCXLGK9vjP9XUSjP.pdf


Long term studies (1989-2012) of soil nutrients and ley yields on a Norwegian organic dairy farm (Tingvoll experimental farm) showed that soil nutrient concentrations decreased over time after conversion. A potential decline in yields due to reduced nutrient concentrations will be difficult to detect, because of large annual variations in yield levels. The sustainability of the nutrient management on the farm should be considered, aiming at keeping soil nutrient concentrations above levels impacting negatively on the yields.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Agrovoc keywords:
EnglishDairy farmshttp://aims.fao.org/aos/agrovoc/c_34762
EnglishNutrient managementhttp://aims.fao.org/aos/agrovoc/c_330697
EnglishCrop yieldhttp://aims.fao.org/aos/agrovoc/c_10176
EnglishSoil propertieshttp://aims.fao.org/aos/agrovoc/c_330883
Subjects: Animal husbandry > Production systems > Dairy cattle
Crop husbandry > Production systems > Pasture and forage crops
Farming Systems > Farm nutrient management
Research affiliation: International Conferences > 2013: NJF Seminar 461 - Organic farming systems as a driver for change
Deposited By: Sørensen, Peter
ID Code:24551
Deposited On:06 Nov 2013 21:48
Last Modified:06 Nov 2013 21:48
Document Language:English
Refereed:Peer-reviewed and accepted

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